You _____ smoke in public places.
A.may
B.must
C.might
D.mustn't
may: có thể
must: phải
might: có thể
mustn't: không được phép
=>You mustn't smoke in public places.
Tạm dịch: Bạn không được phép hút thuốc ở nơi công cộng.
Oh no! I completely forgot we were supposed to pick Jenny up at the airport this morning.- She _______ there waiting for us.
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.
The computer _______ reprogramming. There is something wrong with the software.
_______ I have a day off tomorrow? - Of course not. We have a lot of things to do.
John is not at home. He _____ go somewhere with Daisy. I am not sure.
Peter has been working for 10 hours. He _______ be very tired now.
John didn’t do his homework, so the teacher became very angry. John ______his homework.
Chọn từ thích hợp điền vào chỗ trống:
Keep quiet. You _______ talk so loudly in here. Everybody is working.