Over the last 2,000 years, the number ____ gradually to about 2000.

A. increased　 B. had increased　 C. has increased　　 D. increase

Mr. Stevenson is great to work for -- I really couldn't ask for a__________boss.

　 A. better 　　　　　B. good 　　　　　 C. best 　　　　　D. still better

------ Have you seen your nephew lately?

　 ------ Yes, in fact, I saw him yesterday. I ______ him for three years.

　 A. haven’t　　 B. didn’t　　 C. hadn’t　　 D. don’t

You should understand the traffic rule by now. You've had it____ often enough. （05天津卷）　

A. explaining　 B. to explain　　　 C. explain　　　　 D. explained

The brave man was greatly honoured when the organizer announced, “You ____ a medal!”?

A. earn　　　 B. expect?　 C. deserve　　 D. reserve?

If one thing is a ______ another thing, the first thing is next to the second.

______our food ________, we had to walk to a village for help.

　 A. Since; runs out　　　　　　　 B. Because; run out