________ help the people in the snowstorm in the South made him worried.A．Not kn

题型：不详难度：来源：

________ help the people in the snowstorm in the South made him worried.

A．Not known how to	B．Unknown what to do to
C．His knowing not how to	D．His not knowing how to

答案

解析

考查非谓语动词。题中缺少主语，从四个选项中看出可用动名词做主语，排除A和B，分词的否定式，not 应放在分词的前面。所以选D。

举一反三

The conference was attended by more than 11,000 people, _____ it the largest UN climate change gathering ever held.

A．making

B．to make

C．made

D．to be making

题型：不详难度：| 查看答案

-----What’s happening? I feel the house _____.
-----An earthquake!

A．shake

B．to shake

C．shaking

D．shaken

题型：不详难度：| 查看答案

_____ soft and smooth, the cloth _____ well．

A．Felt; washes	B．Feeling; washes
C．Felt; is washed	D．Feeling; is washed

题型：不详难度：| 查看答案

_____into the house, the thief was soon caught by the police.

A．Having seen him steal

B．Seen stolen

C．Seen stealing

D．Seeing him steal

题型：不详难度：| 查看答案

____ to his surprise, he found a lot of farmers ______.

A．Much; seating

B．Much; seated

C．Great; sitting

D．Greatly; sitting

题型：不详难度：| 查看答案