It’s about time you________harder for the exam.
Đáp án C
Giải thích: Thức giả định dùng với it’s about time: It’s about time + S + V(quá khứ) (đã đến lúc ai đó cần làm gì ở hiện tại).
Dịch nghĩa: Đã đến lúc cậu cần học hành chăm chỉ để chuẩn bị cho kì thi.
What a pity! You didn’t passed the exam.
If only_______________________________________
Experts advise that he should avoid being in strong sunlight for long periods.
It is advisable that_______________________________________
The little boy demands that she________to buy a car in the toy store.
Mrs. Mary demanded that the heater________immediately. Her apartment was freezing.
It is important to remember that Jenny________very differently from you. She may not agree to the changes you have made in the organization of the company
It is important that an efficient worker________his/her work on time.