We got to the station at 8:00, but the train _____ at 7:30.

A. left　 　　　B. had left　 　C. was leaving　 D. has left

--Can I help you?

--I'd like to buy a present for my father's birthday, ___________ at a proper price but of great use.

A. one　　　　　 B. anyone　　　 C. that　　　 D. everything

____________ the world now? 现在世界人口是多少？

Be tough-minded, but tender-hearted, 　　　 ?

　 A．isn’t it　 B．are you　　 C．aren’t you D．will you

There is a s _____ that I believe: Chance favors only the prepared mind.

She was forced to have her baby ________.

A. adapting　　　 B. adapted　 　　 C. adopting 　　 D. adopted　　

It ______be the postman at the door. It’s only six o’clock.

A．mustn’t　 B．can’t C．won’t　 D．needn’t

You need to stay in New Orleans for at least two weeks if you want to ___________________ all the tourist places.

–Is there anyone who is going to the Great Wall?　

--__________.

A. None　 B. No one C. No　 D. Not any

Mr. Smith has no s__________ for the students who get caught cheating in exams.