868. The WTO can’t live up to its name ___it does not include a country that is home to one fifth of mankind.

　　 A. as long as B. while　 C. if　 D. even though　　　　　　　　　　　　　　　　 　　　　　

867.Someone called me up in the middle of the night, but they hung up ___I could answer the phone. 　　

　　　 A. as　 B. since　 C. until　 D. before　　　　　　　　　　　　　

866.____you’ve got a chance, you might as well make full use of it.

　　 A. Now that　　 B. After　 C. Although　 D. as soon as　　　　　　

865.Why do you want a new job ____you’ve got such a good one already?

　　 A. that　 B. where　 C. which　 D. when　　　　　　　　　　　　　　　　　　　　　　　　

864.The roof fell ______he had time to dash into the room to save his baby.

　　 A. after　 B. as　 C. before　 D. until　　　　　　　　　　　　

863. It was about 600years ago ____the first clock with a face and an hour hand was made.

　　 A. that　 B. until　 C. before　 D. when　　　　　　　　　　　　

862.The train leaves at 6:00 p.m.. So I have to be at the station____5:40 pm at the latest.

　　 A. until　 B. after　 C. by　 D. around　　　　　　　　　　　　

861. It was only when I reread his poems recently ___I began to appreciate their beauty.

　　 A. until　　 B. that　 C. then　 D. so　　　　　　　　　　　

860. ____you’ve got a chance, you might as well make full use of it.

　　 A. Now that　 B. After　 C. Although　 D. As soon as　　　　　

859.The changes in the city will cost quite a lot, ___they will save us money in the long run.

　　 A. or　 B. since　 C. for　 D. but