What do you do _______your free time?
A. in
Đáp án đúng: A
Giải thích: in free time: trong thời gian rảnh
Dịch: Bạn là gì ở thời gian rảnh?
You _________ watch TV as long as you like. You need to do your homework.
We _________ see the moon right now because it is behind the clouds.
You _________ use my computer right now. I need it to do some work.