They must have finished the work, ______?A．mustn’t theyB．haven’t theyC．hadn’t th

题型：不详难度：来源：

They must have finished the work, ______?

A．mustn’t they

B．haven’t they

C．hadn’t they

D．didn’t they

答案

解析

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举一反三

Can you make sure ______ the gold ring?

A．where Alice had put	B．where did Alice put
C．where Alice has put	D．where has Alice put

题型：不详难度：| 查看答案

No one can be sure _____ in a million years.

A．what man will look like	B．what will man look like
C．man will look like what	D．what look will man like

题型：不详难度：| 查看答案

_________ the meeting will be held in Beijing is not known yet.

A．Whenever

B．If

C．Whether

D．That

题型：不详难度：| 查看答案

China’s success in manned-space-craft travel shows _________ out country has become one of the greatest powers in space research.

A．what

B．which

C．不填

D．it that

题型：不详难度：| 查看答案

This is the house _________ the great man Mao Zedong was born 110 years ago.

A．why

B．that

C．about which

D．in which

题型：不详难度：| 查看答案