If carefully, the experiment will be successful.A．doB．doesC．doneD．doing

题型：不详难度：来源：

If carefully, the experiment will be successful.

A．do

B．does

C．done

D．doing

答案

解析

考查非谓语动词。句中逻辑主语为the experiment，与动词do之间为被动关系，故用过去分词done。句意：如果被仔细的做，实验将会成功。

举一反三

Not until the next morning _____ how serious the situation was．

A．did she realise	B．had she realised
C．she realised	D．she had realized

题型：不详难度：| 查看答案

The door opened and in we had never seen before.

A．did a tall man come

B．a tall man did come

C．came a tall man

D．a tall man came

题型：不详难度：| 查看答案

Only when the war was over return home.

A．he was able to

B．was he able to

C．could he be able to

D．would he be able

题型：不详难度：| 查看答案

Only when I lost the opportunity to take my first job ____ how important it was to me.
A. I realized B. I had realized C, had

I realized D . did I realize

题型：不详难度：| 查看答案

Among the reporters first work about college students’ life sells pretty well. He’s busy talking with them.

A．does Tom stand whose	B．Tom stands whose
C．stands Tom whose	D．stood Tom whose

题型：不详难度：| 查看答案