7. Mary wrote an article on _______ the team had failed to win the game.

A. why　　 B. what　 C. who　 D. that

6. Doris' success lies in the fact _______ she is co-operative and eager to learn from others.

A. which　 B. that 　　　 C. when D. why

5. These shoes look very good. I wonder _______.

A. how much cost they are 　 B. how much do they cost　 C. how much they cost　 D. how much are they cost

4. -Could you do me a favor? -It depends on _______ it is.

A. which B. whichever　 C. what　 D. whatever

3. See the flags on top of the building? That was _______ we did this morning.

　A. when　 B. which　 C. where　 D. What

2. -It’s thirty years since we last met.

-But I still remember the story, believe it or not, _______ we got lost on a rainy night.

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

1. _______ makes this shop different is that it offers more personal services.

A. What　 B. Who　　　　　　　 C. Whatever　 D. Whoever

20.　 I think it’s a genuine Ming case, not a f_____________.

19.　 Columbus discovered America by a ________.

18.　 It was quite a while before he s_________ Mr. Smith in the crowd.