I don’t know ___________ the question.A．what to answerB．how to answerC．to answer
题型：不详难度：来源：
I don’t know ___________ the question.| A．what to answer | B．how to answer | | C．to answer what | D．to answer how |
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答案
| B |
解析
本题考查“疑问词＋不定式”结构的用法，这种结构可在句子中作主语、宾语、表语等。
这种结构中，疑问代词须接及物动词或相当于及物动词的短语(who, which除外)，如：【误】 I don’t know what to talk.【正】 I don’t know what to talk about.但可以说：We haven’t decided who (which) to go. 我们还没定谁(哪个)去。
这种结构中的疑问副词后要接不及物动词；若接及物动词, 要有动词的宾语。如：I don’t know how to talk. 我不知如何谈。I wonder if you could tell me how to do it. 不知您能否告诉我如何去做这件事。(不能说: ... how to do.)
本题空格后已有宾语the question,故不能选A，只能选B。 |
举一反三
—Susan, why are you still here? They are all ready to start.
—I’m sorry, but I when to leave.| A．don’t tell | B．didn’t tell | C．wasn’t told | D．didn’t told |
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We don’t know ______ it next. Let’s go and ask Mr Li.
A what to do B to do what C whether to do D to do whether |
| —_________ do you come to school on weekdays? — By bike. |
— do you surf the Internet?
—Once a week.| A．How | B．How old | C．How often | D．How many times |
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----“It’s too cold. Would you mind_________ the window?” ----“_____. But don’t do it now.”| A．to close; Sure | B．closing; Good idea | | C．closing; Better not | D．closing; Of course not |
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