Everybody was exhausted. It looked as if they (work) ____________ hard.
A. worked
B. had worked
C. work
D. works
Dấu hiệu: Everybody was exhausted =>sử dụng câu giả định với As if ở quá khứ
Cấu trúc: It looked as if + S + had + Vp2
=>Everybody was exhausted. It looked as if they had worked hard.
Tạm dịch: Mọi người đều kiệt sức. Có vẻ như họ đã làm việc chăm chỉ.
Đáp án cần chọn là: B
Choose the best answer.
The doctor suggested that his patient______.
It's a little difficult to find the restaurant. I propose that we all __________(drive) together so that nobody gets lost along the way.
Nick is quite ready for the exam. It looks as if he (prepare) ____________ everything.
It is important that he _______________ everything he can. (to learn)
I’d rather the traffic (not make) ____________so much noise every day.
I’d rather I (know) ____________something about computers to help you now.