_______ how to do the homework, I went to ask my teacher for help. A．Not to kno

题型：不详难度：来源：

_______ how to do the homework, I went to ask my teacher for help.

A．Not to know　

B．Not knowing

C．Knowing not　

D．Not known

答案

解析

考察非谓语动词.句意:不知道如何做作业,我去问我的老师寻求帮助.现在分词表示主语正在进行的伴随性动作,和句子主语是主谓关系,结合语境可知选B.

举一反三

Deeply _______, I thanked her again and again.　

A．being moving　

B．moved　

C．moving　

D．to be moved

题型：不详难度：| 查看答案

With winter _______ on, it"s time to buy warm clothes.

A．came　

B．comes　

C．come　

D．coming

题型：不详难度：| 查看答案

. _______ the office, the foreign visitors were shown round the teaching building.

A．Having shown

B．Showing　

C．Has shown　

D．Having been shown

题型：不详难度：| 查看答案

He went from door to door, _______ waste papers and magazines.

A．gathering　

B．gathered

C．gather

D．being gathered

题型：不详难度：| 查看答案

The student corrected his paper carefully, _______ the professor"s suggestions.

A．follow　

B．following 　

C．followed　

D．being followed

题型：不详难度：| 查看答案