These books, ________ you can’t get anywhere else, will give you all the information you need.

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

Making fun of others is ________ we should never do.

　　A. anything　　 B. something　　　C. everything　　　D. nothing

When first _________ to the market, the toys didn’t attract much attention.

    A. introducing　　　　　　　　　　　　　　　　    B. introduced

    C. was introduced　　　　　　　　　　　　　　  D. being introduced

There is a new problem involved in the popularity of private cars _______ road conditions need to be improved.

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

__________ such a heavy loss, the businessman didn’t have the courage to go on.

    A. Having suffered　　　　　　　　　　  B. Suffering

    C. To suffer　　　　　　　　　　　　　　    D. Suffered

32.I am late, ________ ?

23.[2000上海] The news that they failed their driving test discouraged him, ________ ?

11.[1990全国] It's a fine day. Let's go fishing, ________ ?

10.You mustn't speak to your parents this way, ________ ?

9.You must have lived here for several years, ________ ?