Question

it took her three hours to finish the composition (gach chan three hours)

bai 2 chuyen cac cau sau sang cau bi dong

1 the children looked at the woman with a red hat 

2 after class , one of the students always erases the chalk board

Answer 1

 The children looked at the woman with a red hat.

- The woman with a red hat was looked by the children

 After class, one of the students always erases the chalk board.

- After class, the chalk board is always erased by one of the students

Answer 2

1 the children looked at the woman with a red hat.

The woman with a red hat was looked at by the children

2 after class, one of the students always erases the chalk board.

 After class, the chalk board is always erased by one of the students