It took a long time for the effective use of natural gas_________．A．to be madeB．

题型：不详难度：来源：

It took a long time for the effective use of natural gas_________．

A．to be made

B．to make

C．being made

D．making

答案

解析

略

举一反三

Catherine, ____ the alarm clock for 6 o’clock, or you would oversleep and be late for the train.

A．setting

B．sets

C．set

D．to set

题型：不详难度：| 查看答案

--What do you expect your son to succeed in?
--- _________ the entrance exam.

A．To pass

B．Passing

C．Get past

D．Past

题型：不详难度：| 查看答案

With just four years _______, the London Olympic organizers have promised to deliver an equally inspirational ceremony.

A．going

B．go

C．gone

D．to go

题型：不详难度：| 查看答案

They stood under a tree to ___ getting wet.

A．keep

B．hold

C．suffer

D．avoid

题型：不详难度：| 查看答案

I went to the airport ___ my brother off.

A．to see

B．send

C．seeing

D．sending

题型：不详难度：| 查看答案