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1.
There are both many good things and many potential dangers in social network
It's important for parents to teach their children how to use social media wisely
Social network is the start of bad things like cyberbullying
2.
A recent report has said that many teenagers have contacted online with strangers and it makes them feel scared or uncomfortable.
Others receive onine advertising that is inapproriate for their age.
It is important that parents should be aware of what children are doing online.
Parents should make their children understand that they respect children's privacy.
However, parents want to make sure that their children are safe.
1. The boy is intelligent enough to understand you
2. He studied too bad to pass the exam
3. Kent is tall enough to take the book on the top of shelf
4. The milk is too hot for my sister to drink
5. It took my mother 30 minutes to cook our dinner yesterday
6. It will take we 1 hour to clean our classroom next Monday
7. Mary spends 15 minutes doing her homework
8. She spent 20 minutes washing her dog yesterday
9. Her old house is bigger than her new house
10. Mary is the most intelligent student in my group
cau 4 thieu than a tourist does cai cho revision for test
1 rides
2. collect
3. didn't go
4. bought
5. haven't plan
6. will go
7. have learnt
8. Has Peter visited
9. listening
10. didn't study
1 rides
2 collect
3 did not go
4 Bought
5 have not planned
6 will go
7 have learnt
8 Did Peter and his parents visit
9 listening
10 did not study
1 Mr Quang said he had to leave right then
2 Charles told Jane he had to leave the office before 3.30 pm
3 Mary and John said they didn't know those two girls very well
4 Jimmy told Maryam he had given her that bike twice
1 does => did
2 build => be built
3 hold => held
4 will => would
5 rice-exported => rice-exporting
6 invite => inviting
7 finish products => finished products
8 have to=> had to
9 was appeared => appeared
10 were perform => were performed
11 making => to make
12 to participate => participate
13 told that => said that
14 design => designed
15 ice-skate => ice - skating
2 A
3 A
4 C
5 A
6 D
7 A
8 B
9 C
10 A
Thanks 😍😍😍