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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
Dài lắm bạn , chưa kể ghi lại đề mất thời gian nữa ,hơn mấy chục bài lận đó ==''
8.a) introduce
b) before
c) doing
d) myself
e) Excuse
f) meet
g) Let
Theo mình thì cách phát âm giữa " for " và " four " có sự khác nhau. Vì " for " đọc ngân dài hơn " four ".
1 has changed
2 are driving
3 were made
4 went - saw
5 finish
6 have been
7 weren't
8 will write
9 doing
10 to work
11 will clean
12 tastes - are
13 has become
14 went
15 is learning
16 won't be
17 is cut
18 eats
19 stewing
20 to drink
21 is organised
22 built
23 were made
14 was set
25 haven't done
26 is speaking
27 are spoken