Complete the sentences, using the correct form of the words in brackets:
Paul ..... and missed some phone calls yesterday morning (sleep).
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28. When visiting a temple, tourists ______have to follow____ (follow) some important customs.
29. The secretary ______has to answer____ (answer) all the phone calls at work.
30. I _____don't have to go____ (go) to work tomorrow. There’s a holiday.
31. ___Do___ we ___have to buy_____ (buy) another ticket to see this part of the castle?
32. Everyone _____has to recycle____ (recycle) as much as possible.
33. Hien_____doesn't have to come_____ (come) to the town with us if she doesn’t want to.
34. In our country, children ___have to wear______ (wear) a uniform at school.
VI. Underline the correct form.
35. Children must / have to start school when they are five.
36. In many countries, you should / must wear a seat belt in the car - it’s the law.
37. I know you like sugar, but you shouldn’t / don’t have to eat quite so much - it’s bad for you.
38. I’m not working tomorrow, so I mustn’t / don’t have to get up early.
39. The manager suggested that we have to / should try to find another hotel.
1. have to follow
2. has to answer
3. don't have to go
4. Will/ have to buy
5. has to recycle
6. doesn't have to come
7. have to wear
8. Will/ have to do
9. don't have to put
10. have to stop
11. Do/ have to take
12. doesn't have to take
13. had to leave
14. didn't have to do
15. don't have to do
1. When visiting a temple, tourists __have to_________ (follow) some important customs.
2. The secretary _____has to answer______ (answer) all the phone calls at work.
3. I _______don't have to go___ (go) to work tomorrow. There’s a holiday.
4. _____Do______ we _____have to buy______ (buy) another ticket to see this part of the castle?
5. Everyone ______has to recycle_____ (recycle) as much as possible.
6. Susan ____doesn't have to come_______ (come) to the town with us if she doesn’t want to.
7. In our country, children _____have to wear______ (wear) a uniform at school.
8. _______Does____ he _______have to do____ (do) his work tonight? Can he do it tomorrow?
9. You _____don't have to put______ (put) a stamp on this letter. It says FREEPOST on it.
10. We ______have to_____ (stop) talking when the lesson starts.
11. ______Do_____ all the students ______have to take_____ (take) the final test?
12. She _______doesn't have to take____ (take) an umbrella. I’m sure it isn’t going to rain.
13. I _____had to leave_____ (leave) the party early last night – I wasn’t very well.
14. It was a lovely holiday. We ______didn't have to do_____ (do) anything.
15. The children are happy because they ___don't have to do________ (do) any homework today.
1. contaminated
2. Industrial
3. death
4. Polluted
5. pollutants
6. Difficulty
I)-Complete the sentences, using the correct form of the words in brackets.
1. The soil becomes __contaminated_____________ because of the use of so many pesticides and fertilizers. (contaminate)
2. __Industrial_____________ waste spills can contaminate groundwater. (industry)
3. In many developing countries, water pollution is usually a leading cause of ______death __________. (die)
4. __Polluted __________ elements have been found in both ground and underground water sources. (pollute)
5. Fish and many other animals are killed by __pollutants____________ in their habitat. (pollute)
6. Astronomers are concerned about light pollution because they have _______Difficulty___ in viewing activities in the sky and outer space. (difficult)
1. The soil becomes _______contaminated________ because of the use of so many pesticides and fertilizers. (contaminate)
2. _____Industrial__________ waste spills can contaminate groundwater. (industry)
3. In many developing countries, water pollution is usually a leading cause of ________death________. (die)
4. ______Polluted______ elements have been found in both ground and underground water sources. (pollute)
5. Fish and many other animals are killed by _______pollution_______ in their habitat. (pollute)
6. Astronomers are concerned about light pollution because they have ____difficulty______ in viewing activities in the sky and outer space. (difficult)
1 contaminated
2 industrial
3 death
4 pollutant
5 pollution
6 dificulty
I)-Complete the sentences, using the correct form of the words in brackets.
1. The soil becomes _____contaminated__________ because of the use of so many pesticides and fertilizers. (contaminate)
2. ____Industrial___________ waste spills can contaminate groundwater. (industry)
3. In many developing countries, water pollution is usually a leading cause of ____death____________. (die)
4. _____Pollted_______ elements have been found in both ground and underground water sources. (pollute)
5. Fish and many other animals are killed by ____pollutants__________ in their habitat. (pollute)
6. Astronomers are concerned about light pollution because they have ___diffculty_______ in viewing activities in the sky and outer space. (difficult)
1. Yesterday, a stranger (call) _____calls___________ our phone number.
2. We (move) _______moved__________ to a new house two weeks ago, and we (be) ____are_____________ very happy with it now.
3. (you/ miss) _______you missed__________ two classes last week? – Yes, I (be) ______am___________ ill.
4. What (you/ look) _____you look____________ for? – I (try) ________trying_________ to find my glasses at the moment.
5. Khanh usually (play) ______plays___________ football with his friends after school, but yesterday he (not play) _____didn't play ____________ because he was tired.
6. After three days of rain, the sun (shine) _____dhine____________ today.
7. My uncle (repaint) ______repaints___________ the walls for us next week.
8. With robots around, we can (save) ______save___________ our time to do other activities.
1.The windows are dirty and it’s your duty to wash it. Someone asks why you haven’t done it. What do you say?
‘OK. I ………will do……………it later’ (do)
2. Your friend asks what time you’re going on holiday. What do you answer?
‘ Our flight …………are leaving…………….at 9.00 tomorrow morning. (leave)
3. Your classmate has decided to have a party. You ask him.
‘Who …………are yoing going to invite………………….?’ (you/ invite)
4. You have to call Lan. It’s morning now, and you intend to call her this evening. Someone asks if you’ve called her yet. What do you say?
‘No, I haven’t, but I ………will call………………….her this evening.’ (call)
5. Your sister is going to a party tonight. You ask her:
‘What …………are you going to wear…………………?’ (you/ wear)
6. Your friend has won some money. You want to know his plans for it. What do you say?
‘ What …………are you going to do…………………..with the money?’ (you/ do)
7. You’ve bought two tickets for the football match on Saturday. Your friend asks, ‘What are we doing this weekend?’. What do you say?
‘ We ………are going……………….to a football match on Saturday. It’s a surprise! (go)
8. You’ve decided not to stay here any longer. You say to your friend: ‘ Well, I …am going to look …………….. another place to live’ (look for)
was sleeping