He __________ be at home now because I saw him in the office just now.
| A．can’t | B．mustn’t | C．may | D．must |
—You look so tired. —Yes. The loud noise upstairs stopped me the whole night.
| A．slept | B．to sleep | C．fell asleep | D．falling asleep |
You may get lost easily in big cities like Beijing you have a map or a guide.
| A．unless | B．if | C．when | D．until |
—Do you know ?—I’m not sure, maybe he is an artist.
| A．who is the man | B．what is the man | C．who the man is | D．what the man is |
The car exhibition was very . The company received lots of order forms.
| A．harmful | B．successful | C．suitable | D．colourful |
Another two months will be needed before the new airport .
| A．completes | B．is completed | C．will complete | D．will be completed |