11. The chairman thought ____ necessary to invite
Professor Smith to speak at the meeting. (2005 全国)
A. that B. it
C. this D. him
[解析]选B it作形式宾语，代替不定式。
依赖、依靠、由于、因为”等意思。它引导的短语，可
以表达正面意思(近于原意“感谢”)，也可用于讽刺
口吻中(近于讽刺口吻的“感谢”。)它引导的短语在
句中用作状语时，大多放在句首，但也可以置于句
末。
Thanks to your help, passed the test.
幸亏有你的帮助，我测验及格了。(正面意思)
10. -- Dad, I've finished my assignment.
-- Good, and ____ you play or watch TV, you
mustn't disturb me. ( 2003 上海)
A. whenever B. whether
C. whatever D. no matter
[解析]选B whether...or...引导让步状语从句；=
no matter whether ... or
9. Although the working mother is very busy, she
still ____ a lot of time to her children. (NMET
2000)
A. devotes B. spends
C. offers D. provides
[解析]选A devote...to为固定搭配。
8. -- The cars give off a great deal of waste gas into
streets.
-- Yes. But I'm sure something will be done to
-- ____ air pollution.
A. reduce B. remove
C. collect D. warn
[解析]选A reduce pollution 减少污染。
7. The poor young man is ready to accept ____
help he can get. (2005 全国)
A. whichever B. however
C. whatever D. whenever
[解析]选C whatever引导的宾语从句。whatever
help = any help that...。
6.( ) I wonder how he ____ that to the teacher.
A. dared to say B．dare~ying
C. dares say D. dared say
[解析]选A dared在此是情态动词的过去式。
5.( ) The American Civil War lasted four years ____
the North won in the end. (2005 广东)
A. after B. when
C. before D. then
[解析]选C before“过了(四年)才……”。：
4.( ) -- It's cloudy outside. Please takc an ubrella.
-- ____. (2005湖南)
A. Yes, take it easy
B. Well, it just depends
C. OK, just in case
D. All right, you're welcome
[解析]选C just in case = in case it rains 带把雨伞以
防下雨。
3. -- How long are you staying?
-- I don't know ____. (2004 江苏)
A. That's OK B. Never mind
C. It dedends D. It doesn't matter
[解析]选C 根据上文I don't know.，可确定要选
C，表示要随情况而定。
2. -- Brad was Jane's brother!
-- ____ he remlnded me∞mHch()f Jane!
(2004 浙江)
A. No doubt B. Above all
C. Nowonder D. Of course
[解析l选C no wonder“难怪”，因为Brad是Jane的
兄弟，他经常提到Jane就没什么奇怪的了。