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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
cảm ơn trước 
Từng tranh theo từ trên xuống và qua rồi đó bạn ^^ hay để mình chụp từng bài gửi nha
can gap ne moi nguoi
mn ktra giúp mk vs, câu nào sai nhắc mk nhe
cau 4 thieu than a tourist does cai cho revision for test
Theo mình thì cách phát âm giữa " for " và " four " có sự khác nhau. Vì " for " đọc ngân dài hơn " four ".
1. My teacher is a good dancer
2. I am keen on reading comic book
3. There are 30 classrooms in my school
4. Alexander gragham was an invented telephone
5. How about meeting inside the center, at the cafe corner
6. Did you go to the movie Dream City last night
7. Sao Mai Movie Theater isn't far from my aunt's house
8. I'll give me a call tomorrow mỏning
9. The fond yard isn't large to play soccer in
10. I 'll call Linh
SGK
Nowaday, traffic problem is the biggest problem that many people care about. In VN, I think the city where have the worst traffic is Ha noi.
The first problem is the traffic jam here. Why? In the rush hours of the day, there're too many people using the road. Last year, in 2013, many bridges was built so it happen less but in order to stop this, a kind of small car should be invented, people should go to works by buses instead of going by motorbikes...
The second one, as you know, the roads in VN is not as big and clean as the roads in the big countries. They're narrow, bumpy and some dirty so it’s really hard for the road users to drive safely. I think we should raise money to make the road in VN better and better.
But everyone knows that Vietnamese people are not respect and don’t follow the traffic rules. That’s the biggest reason for everything. They wear the helmet that not strong enough to keep they safe if the accident may happen, they ride too fast on the small roads… The traffic will never can be improve if they keep doing this.
At the end, I hope the traffic in VN will improve more.
10: I wish today is a holiday
11: I wish I can sing this song
13: I wish they will come here again
14: I wish he will go swimming with me
1. would invite
2.had left
3.phone
4.has been cleaned
5.will get
6.have seen
7. were
8.has finished
bài 2
1.my motorbike is going to be serviced by mr ba tomorrow morning
2.ten people......buildings have been freed by rescue worker so far
3. by the time we started to go out, we had done everything
4. if they had enough money, they could buy that house
5. ko bt
6.after my mother came home, my father had watered all the flowers
7. I will be helped to sold this problem by hoa
8.if she did not have a bad cold, she could go out
10.I wish today were a holiday
11. I wish I could sing this song
12.I wish he had not been punished by his brother
13.I wish they would come here again
14.I wish he would go swimming with me
11.had arrived
12.didn't know
13.had known
14.would visit
15.were
16.heard
17.had helped
18.found
19.were
20.would win
2 impossible
3 poisonous
4 medical
5 explorations
6 biologist
7 culture
8 pollutant
V
1 would come
2 had visited
3 will buy - have
4 were - would take
5 rains - will stay
6 have you seen - went
7 works
8 is leaving
VI
1 because
2 on
3 mouth
4 sent
5 meeting
VII
1 C
2 C
3 A
4 C
5 A
VIII
1 D
2 B
3 B
4 C
5 C
IX
1 A
2 A
3 C
4 B
5 A
X
1 D
2 B
3 A
4 C
5 B
6 C
7 D
8 C
1 A
2 C
3 D
4 B
5 A
The Earth's surface is destroyed by human activities.
A talk about air pollution will be given by Nick and Mi.
We plan to use video chatting to keep in touch with our family.
Tam told Peter (that) he had gone to Hue three years before.
Tam told Thu (that) he would be there for five days.
Alex told me (that) he wanted to know more about my brother.
"I went to the dentist yesterday," she said.
"Where are you going today, Nick?" I asked.
If they understood the problem, they would find a solution.
After I had finished all my homework, I went to bed.