31. She talks too much in class.  I wish………………………………………………………………. 32. I haven’t seen her for 3 years.  It is ……………………………………………………………… 33. When did you start working in that factory? → How long ...................................................................................................? 34. They grow rice in tropical countries. → Rice ............................................................................................................. 35. The students must do this exercise carefully. → This exercise .......................................................................................................................

Để giải câu hỏi này, ta cần sử dụng cấu trúc "I wish" để diễn đạt mong muốn và cấu trúc "It is" để diễn đạt thời gian.

1. She talks too much in class.
-> I wish she didn't talk too much in class.

2. I haven't seen her for 3 years.
-> It is 3 years since I last saw her.

3. When did you start working in that factory?
-> How long have you been working in that factory?

4. They grow rice in tropical countries.
-> Rice is grown in tropical countries.

5. The students must do this exercise carefully.
-> This exercise must be done carefully by the students.

This exercise must be done carefully by the students.

Rice is grown in tropical countries.

How long have you been working in that factory?

It is three years since I last saw her.