The trouble is ____ we can not find such an expert.A．whyB．thatC．whereD．/

题型：不详难度：来源：

The trouble is ____ we can not find such an expert.

A．why

B．that

C．where

D．/

答案

解析

略

举一反三

It has not been decided ____ they will leave.

A．why

B．when

C．which

D．what

题型：不详难度：| 查看答案

We shall go ____ you are ready.

A．while

B．as soon as

C．as

D．since

题型：不详难度：| 查看答案

He will tell you about it ____ you get there.

A．while

B．as

C．when

D．/

题型：不详难度：| 查看答案

Don"t try to get off the bus ____ it has stopped.

A．while

B．as

C．since

D．before

题型：不详难度：| 查看答案

I"ll come and see you _____ I go to the countryside.

A．while

B．when .

C．as soon as

D．before

题型：不详难度：| 查看答案

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