____ is bad for your health.A. Stay up late B. Staying up late C. To stay up
题型：不详难度：来源：
____ is bad for your health.
A. Stay up late B. Staying up late C. To stay up late |
答案
| B |
解析
试题分析：动名词做主语表示抽象的反复发生的动作，不定式做主语表示具体的将要进行的动作。句意：熬夜到很晚对你的健康不好。结合语境可知选B。
点评：不定式作句子成分表示具体的将要进行的动作，一般不用于介词后面。动名词作句子成分往往表示抽象的，反复发生的动作。介词后面一般接动名词作宾语，也有部分动词后接动名词做宾语，注意和不定式作宾语表达含义的不同。 |
举一反三
Seeing their teacher _______ into the classroom, they stopped _______ at once.| A．walk; telling | B．entering; to speak | | C．enter; to tell | D．walking; talking |
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---What are you going to do when you grow up?
---A singer, but my parents wish me _________ a teacher. |
Mary called and asked her husband home at once, because she locked her daughter in the home.| A．to leave | B．leave | C．go | D．to go |
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Let"s __________. We haven"t got any fruit and vegetables.| A．went shopping | B．go shopping | C．goes shopping | D．going shopping |
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I"d like you __________ my friend Tom.| A．meet | B．meets | C．meeting | D．to meet |
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