Robert is said ___________ abroad, but I don’t know what country he studied in .

题型：不详难度：来源：

A．to have studied

B．to be studying

C．to study

D．to have been studying

答案

解析

略

举一反三

The stone under her feet rolled; and as she was into the river, she called out for help.

A．being jumped

B．jumped

C．pulling

D．being pulled

题型：不详难度：| 查看答案

I don’t want any more trouble, you see?

A．there being

B．it to be

C．it being

D．there to be

题型：不详难度：| 查看答案

He made a mistake, so he told a lie to avoid ______.

A．punishing

B．punished

C．being punished

D．being punishing

题型：不详难度：| 查看答案

______ better in 2010 World Expo is the duty of every citizen in Shanghai.

A．Being served

B．Serving

C．Serve

D．Having served

题型：不详难度：| 查看答案

_________ by the teacher, Tom got into the classroom from the back door quietly.

A．To avoid being seen

B．Avoiding seen

C．Avoid being seen

D．Avoided seeing

题型：不详难度：| 查看答案