4. A computer can only do ____ you have instructed it to do. (2001NMET)

　　A. how B. after

　　C. what D. when

　　5. You are saying that everyone should be equal, and this is ___ I disagree. (2004 NMET)

　　A. why B. where

　　C. what D. how

　　6. I like ___ in the autumn when the weather is clear and bright. (2004 NMET)

　　A. this B. that

　　C. it D. one

　　7. The road is covered with snow. I can't u
nderstand ___ they insist on going by motor-bike. (2004NMET)

　　A. Why B. whether

　　C. when D. how

　　8. We can't figure out ___ quite a number of insects, birds, and animals are dying out.(2004 北京)

　　A. that B. as

　　C. why D. when

　　9. After Yang Liwei succeeded circling the earth, ___ our astronauts to do is walk in space. (2004 上海)

　　A. where B. what

　　C. that D. how

　　10. A story goes ___ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court. (2004 上海)

　　A. when B. where

　　C. what D. that

　　Key 1-5 CCBCB 6-10 CACBD