John didn’t do his homework, so the teacher became very angry. John ______his homework.
A.should have done
B.must have done
C.will have done
D.could have done
should have done: lẽ ra đã nên làm
must have done: chắc hẳn đã làm
will have done: sẽ đã hoàn thành
could have done: có thể đã làm
=>John didn’t do his homework, so the teacher became very angry. John should have done his homework.
Tạm dịch: John không làm bài tập về nhà, vì vậy giáo viên đã rất tức giận. Anh ấy lẽ ra nên làm bài tập.
Hiking the trail to the peak _______ be dangerous if you are not well prepared for dramatic weather changes. You _______ research the route a little more before you attempt the ascent.
Oh no! I completely forgot we were supposed to pick Jenny up at the airport this morning.- She _______ there waiting for us.
The computer _______ reprogramming. There is something wrong with the software.
Susan ___ hear the speaker because the crowd was cheering so loudly.
_______ I have a day off tomorrow? - Of course not. We have a lot of things to do.
Jane often wears beautiful new clothes. She _______ be very rich.
John is not at home. He _____ go somewhere with Daisy. I am not sure.
Chọn từ thích hợp điền vào chỗ trống:
Keep quiet. You _______ talk so loudly in here. Everybody is working.
Peter has been working for 10 hours. He _______ be very tired now.