2.答案:B

解析:what引导主语从句,在主语从句中作主语;that引导表语从句,在表语从句中起连接作用.

1.答案:A

解析:what引导表语从句,what在表语从句中作主语.

20.(NMET 1994, 12)-Do you remember _______ he came

-Yes, I do, he came by car.

A.how B.when C.that D.if

●答案解析

19.(NMET 1996, 25)_______ we'll go camping tomorrow depends on the weather.

A.If B.Whether C.That D.Where

18.(NMET 1997, 6) It is generally considered unwise to give a child _______ he or she wants.

A.however B.whatever C.whichever D.whenever

17.(1998上海, 24) It was a matter of _______ would take the position.

A.who B.whoever C.whom D.whomever

16.(1998上海, 5 )_______ caused the accident is still a complete mystery.

A.What B.That C.How D.Where

15.(1999上海, 3 )_______ has helped to save the drowning girl is worth praising.

A.Who B.The one C.Anyone D.Whoever

14.(NMET 1999, 13, NMET 1999广东省, 25) —I drove to Zhuhai for the air show last week.

—Is that _______ you had a few days off

A.why B.when C.what D.where

13.(NMET 2000北京春季,25) These wild flowers are so special I would do _______ I can to save them.

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