I got this bicycle for ______ ; my friend gave it to me when she bought a new one.

A. everything　　 B. something　　 C. anything　　　　 D. nothing

He invited me to take part in the football game, but I 　　　　　 watch it.

　 A. would rather to　　 B. would rather　　　 C. would prefer　　　 D. had better

You _____ out last night. I called you several times, but nobody answered.

   A. must have been     B. must be       　 C. might have been  D. could be

The number of students from the north ____small.

　 A.are　 B. is　 C. have　 D. has

Would you please come in? P　　　　　 (允许) me to lead the way, sir.

____ the fact that his initial(开始的)experiments had failed, Pro. White persisted (坚持) in his research.

A. In spite of　　　 B. As to　　　　　 C. Because of　 D. In views of

No matter how fast we worked, ____.

　 A. we couldn’t catch up with them 　　　　　 B. and we couldn’t catch up with them

C. so we couldn’t catch up with them　　 D. but we couldn’t catch up with them

When he 　　　 the door, he found his keys were nowhere.

A. would open 　　　 B. opened 　　　 C. had opened 　 D. was to open