I am so tired．_____ I could take the day off tomorrow．A．Only ifB．If onlyC．Only t

题型：不详难度：来源：

I am so tired．_____ I could take the day off tomorrow．

A．Only if

B．If only

C．Only too

D．What if

答案

解析

略

举一反三

________ I know, the new airport runway has been under construction for nearly two years.

A．As long as

B．So long as

C．As far as

D．So far for

题型：不详难度：| 查看答案

--- What was the Shanghai World Expo’s opening day like?
--- Wonderful. It’s years ______ I enjoyed myself so much.

A．that

B．since

C．before

D．when

题型：不详难度：| 查看答案

________ it is expected that students come to college with the ability to solve most problems in their study by themselves , this is not always the case.

A．When

B．While

C．For

D．As

题型：不详难度：| 查看答案

_______environmental damage is done, it takes many years for the ecosystem to recover．

A．Even if

B．If only

C．While

D．Once

题型：不详难度：| 查看答案

．—Must I give the pen to the manager ?
—No, you may give it to________you think is on duty in the office ．

A．whomever	B．no matter who
C．whoever	D．who

题型：不详难度：| 查看答案