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1. A: What were you doing (you, do) when the accident occurred?
B: I was trying (try) to change a light bulb that had burnt out.
2. Sandy is in the living room watching television. At this time yesterday, she was also watching (watch, also) television.
3. A: I called (call) you last night after dinner, but you weren't (be, not) there. Where were you?
B: I was working (work) out at the fitness center.
4. When I walked (walk) into the busy office, the secretary was talking (talk) on the phone with a custtomer, several clerks were working busily (work, busily) at their desks, and two managers were discussing (discuss, quietly) methods to improve customer service.
5. I was watching (watch) a mystery movie on TV when the electricity went out. Now I am never going to find out how the movie ands.
6. The Titanic was crossing (cross) the Atlantic when it struck (strike) an iceberg.
Give the correct form of the verbs in brackets.
1. Solar energy is used to (heat) heat water.
2. A lot of people would be out of work if that factory (close down) were closed down.
3. Alaska, a state in the USA, (face) faces both the Arctic Ocean and the Pacific Ocean.
4. I (have) will be having my Vietnamese class at 2.30 p.m. this Sunday afternoon.
5. Who were you (talk) talking on the phone when I came to meet you yesterday?
6. She intends (participate) to participate in the program called "The survivor” to experience the life in an isolated island.
7. It seems that many houses (damage) were damaged, and thousands of people were homeless.
8. The number of people rescued in the disaster (be) is 5.000.
9. I learnt from the news on TV that the earthquake (destroy) had destroyed hundreds of houses.
10. For the past few years, many parents (send) have sent their children to the English centres to study English with native teachers.
Đáp án là: have.