Is______necessary to change trains at Beijing?A．this B．that C．it D．he

题型：不详难度：来源：

Is______necessary to change trains at Beijing?

A．this

B．that

C．it

D．he

答案

解析

不定式、动名词作主语时常用形式主语it来代替，而把真正的主语──不定式和动名词后置。常住it作形式主语的动名词结构有：It’s no use (no good, no point) doing sth. It’s a waste of time doing sth.等。故本题选C。又如：It was no good quarrelling again.

举一反三

— Who is in the reading room? The lights are all on.

— ___________.

A．Nothing

B．None

C．No one

D．No

题型：不详难度：| 查看答案

He said, “＿＿＿＿＿ a long way to school. ＿＿＿＿＿ a long way to go yet before we arrived.”

A．It is ； There is	B．There is ； It is
C．It is ； It is	D．There is； There is

题型：不详难度：| 查看答案

No progress was made in the trade talk as neither side would accept the conditions of _____.

A．others

B．the other

C．either

D．another

题型：不详难度：| 查看答案

The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.

A．that

B．it

C．this

D．him

题型：不详难度：| 查看答案

We haven’t enough books for _____;some of you will have to share.

A．somebody

B．anybody

C．everybody

D．nobody

题型：不详难度：| 查看答案