Change these sentences into passive voice
1 A group of students have met their friend at the railway station
2 They didn't allow Tom to take these books hom
3 The teacher won't correct exercises tomorrow
4 How many treer did they cut down to build that fence?
5 This well known library attracts many people
6 All students attended the meeting
7 People say that he is intelligent
8 He can't repais my bike
mình còn nhiều lắm giúp mình với nhé cảm ơn