题目内容
When she saw her son liked reading, she did all she could ______ him.
| A．help | B．to help | C．helping | D．to helping |
B
解析试题分析：考查不定式做目的状语：句意：当她看见儿子喜欢阅读，她极尽所能帮助他。这里could后面省略了do，而不定式表示目的状语，选B。
考点：考查不定式做目的状语
点评：本题是易错题，句意理解是关键。要把缺失的部分还原，找出省略成分，判断所需的成分。动词不定式的基本用法：动词不定式能起名词、形容词和副词的作用，可在句中作主语、表语、宾语补足语、定语和状语用。同时还要注意动词不定式的被动语态用法
In the weeks ________, we will say good bye to our dear teachers and friends at this great school.
| A．following | B．followed | C．to follow | D．that followed |
_____ that the government can lead them out of the financial crisis, people are optimistic about the future of the country.
| A．Convincing | B．Convinced |
| C．To convince | D．Having convinced |
The two naughty boys were quiet when eating, and they were accustomed to ______ at meals.
| A．talk | B．talking | C．not to talk | D．not talking |
The doctor did __________ save the patient’s life.
| A．that he could do | B．all what he could |
| C．all he could to | D．which he could |
“Where have you been? We thought that you were lost!” mother said angrily, _________ to Lily.
| A．pointing | B．to point | C．having pointed | D．pointed |
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| A．to worry | B．worried | C．to worry about | D．worrying about |
When changing lanes, a driver should use his turning signal to let other drivers know _________ .
| A．he is entering which lane | B．which lane he is entering |
| C．is he entering which lane | D．which lane is he entering |
Thomas wants to know ______Nina lives.
| A．where | B．who |
| C．what | D．if |