_________ that he had fallen behind, he tried to work harder. A．RealizeB．Realize

题型：不详难度：来源：

_________ that he had fallen behind, he tried to work harder.

A．Realize

B．Realized

C．To realize

D．Having realized

答案

解析

非谓语做状语时不定式表目的，过去分词表被动，现在分词表主动。本题中主语he与realize为主谓关系所以用现在分词做状语。“意识到落后了，他比以前更努力”选D。

举一反三

Having answered the phone, I couldn’t but ______ what would happen next.

A．wondering

B．wondered

C．wonder

D．to wonder

题型：不详难度：| 查看答案

Nothing can stop a _____ student _____ his mind to give up his studies.

A．promised; to change	B．promised; changing
C．promising; changing	D．promising; to change

题型：不详难度：| 查看答案

I can not have you _____ ill of my good friend.

A．to speak

B．speaking

C．speak

D．spoken

题型：不详难度：| 查看答案

______ from the moon, the earth looks like a beautiful blue planet.

A．Seeing

B．Seen

C．To see

D．See

题型：不详难度：| 查看答案

When the old man woke up, he found someone his TV in the living room.

A．stole

B．steal

C．stealing

D．stolen

题型：不详难度：| 查看答案