| — How can I get to the cinema? — You can ask the policeman over there. He will tell you which bus ______. |
A. should you take B. you should take C. you took D. did you take |
| — Where is Mary? — She must be in the bedroom. I heard her ______ when I passed two minutes ago. |
A. singing B. to sing C. writing D. to write |
| — Oh, my god, what should I do? — Just work hard, ______ you will improve your English soon. |
A. or B. and C. so D. but |
| Could you please tell me with the problem? |
A.what should I do B.how should I do C.what I should do D.how I should do |
| I enjoy fresh air so I always sleep with the window open it is really cold. |
A.unless B.when C.if D.since |
| We often have to stay up for our study though we to have enough sleep. |
A.told B.have told C.are told D.were told |