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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 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
cau 4 thieu than a tourist does cai cho revision for test
Từng tranh theo từ trên xuống và qua rồi đó bạn ^^ hay để mình chụp từng bài gửi nha
Dài lắm bạn , chưa kể ghi lại đề mất thời gian nữa ,hơn mấy chục bài lận đó ==''
1, were
2, felt
3, had been
4, would finish
5, would come
6, had opened
7,had left
8, had come
9, would come
10, had given
11, had arrived
12, didn't lose
13, had known
14,would visit
15, were
16, heard
17 had helped
18 found
19 were
20 would win
21 were
1 have played
2 was
3 has Nam watched
4 got - went