. _____ that they had made an important discovery in science. A．Littletheyrealiz

题型：不详难度：来源：

. _____ that they had made an important discovery in science.

A．Littletheyrealized	B．Theyhadrealizedlittle
C．Littledidtheyrealize	D．Littlehadtheyrealized

答案

解析

略

举一反三

Only with this method_____to make progress in your maths study .

A．you can hope

B．you did hope

C．can you hope

D．did you hope

题型：不详难度：| 查看答案

I failed in the final exam last tem. Only then the importance of studies.

A．I realized

B．I had realized

C．had I realized

D．did I realized

题型：不详难度：| 查看答案

Only when he failed the exam ________ that he didn’t work hard. (原创)

A．he regretted

B．did he regret

C．had he regretted

D．does he regret

题型：不详难度：| 查看答案

Into the dark apartment _______, who was quite surprised when everyone shouted “Happy Birthday”.

A．did David walk

B．David walked

C．David did walk

D．walked David

题型：不详难度：| 查看答案

If _______, I bet, Milinski will burst into tears.

A．praising

B．praised

C．being praised

D．having praised

题型：不详难度：| 查看答案