18.He was very rude to the customs officer, ____ of course made things even worse.

A. who　　　　　 B. whom　　　　　 C. what　　　　 D. which

17. He made another wonderful discovery , ____ of great importance to science.

A. which I think is　 B. which I think it is　 C. which I think it D.I think which is

16.I had neither a raincoat nor an umbrella ._______ I got wet through .

A. It’s the reason　 B. That’s why　　 C. There’s why　　 D. It’s how

15. I don’t like _____ you speak to her.

A. the way　　　　 B. the way in that　 C. the way which　 D. the way of which

14.The boss ____ department Ms King worked ten years ago look down upon women.　

A. in which　　　 B. in that　　　　 C. in whose　　 D. whose

13. The visitor asked the guide to take his picture _____ stands the famous tower.

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

12.Whenever I met him , ____ was fairly often, I like his sweet and hopeful smile.　

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

11. Oh the wall hung a picture, _____ color is blue.

A. whose　　　 B. of which　　　　 C. which　　　 D. its

10. He lived in London for 3 months , during ____ time he learned some English.

A. this　　　　 B. which　　　　　 C. that　　　　 D. same

9._____ has already been pointed out , 　grammar is not a set of dead rules.

A. As　　　　 B. It　　　　　　 C. That　　　　 D. Which