A group of young Americans have come to Beijing for a visit. Half of them, ___is

题型：不详难度：来源：

A group of young Americans have come to Beijing for a visit. Half of them, ___is, 50 persons, can speak Chinese fluently.

A．that

B．which

C．who

D．it

答案

解析

略

举一反三

Look at the new computers, of ______ none are produced abroad.

A．them

B．whom

C．which

D．these

题型：不详难度：| 查看答案

We should learn how to value what we have ______ it is too late.

A．when

B．after

C．before

D．until

题型：不详难度：| 查看答案

32．I haven’t seen Maggie since I came here.

A．as lovely a girl as	B．so a lovely girl as
C．a girl as lovely as	D．as a lovely girl as

题型：不详难度：| 查看答案

. With the introduction of the computer, there is no complicated problem ________ can be solved in a few hours.

A．as

B．which

C．that

D．but

题型：不详难度：| 查看答案

______ he was ill I was expected to take his place greatly surpried me for I didn’t have much work experience.

A．If

B．If that

C．That

D．That if

题型：不详难度：| 查看答案