Câu bị động
1. Nga does these exercises quickly.
2. they have to pay the bill before the first of the month.
3. they will ask you some questions.
4. Somebody has locked the box and I can't open it.
5. I am doing this work now.
6. the boys has painted this wall for 2 days.
7. Someone will collect the paper from the room.
8. the students were keeping the food in the boxes when we came.
ừ thì lamf sao
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