1.A group of students have met their friends at the railway station.
=> Their friends have been met at the railway station by a group of students.
2. They didn’t allow Tom to take these books home.
=> Tom wasn't allowed to take these books home by them
3.The teacher won’t correct exercises tomorrow.
=> Exercises won't be corrected by the teacher tomorrow
4. How many trees did they cut down to build that fence?
=> How many trees were cut down to build that fence?
5.This well-known library attracts many people.
=> Many people are attracted by this well-known library
CHUYỂN SANG CÂU BỊ ĐỘNG :
1.A group of students have met their friend at the railway station.
THEIR FRIEND HAVE BEEN MET AT THE RAILWAY STATION BY A GROUP OF STUDENTS.
2. They didn’t allow Tom to take these books home.
TOM WASN'T ALLOWED TO TAKE THESE BOOKS HOME.
3.The teacher won’t correct exercises tomorrow.
EXERCISES WON'T BE CORRECTED BY THE TEACHER TOMMOROW.
4. How many trees did they cut down to build that fence?
HOW MANY TREES WERE CUT DOWN TO BUILD THAT FENCE ?
5.This well-known library attracts many people.
MANY PEOPLE ARE ATTRACTD BY THIS WEL-KNOWN LIBRARY.