----- How did you know the surprising news?----- I happened _______ the event th
题型：不详难度：来源：
----- How did you know the surprising news?
----- I happened _______ the event then.| A．to cover | B．to be covering | C．covering | D．to have covered |
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答案
| B |
解析
试题分析：考查不定式用法。固定词组happen to do sth碰巧做某事；如果后面的动作是已经发生的，就使用不定式的完成式；如果动作是与谓语动词同时发生的，就用不定式的进行式。句意：—你是怎么知道这个出人意料的消息的？—那个时候我碰巧正在采访那个事情。故B正确。
点评：如果不定式表示的动作是和谓语动词同时发生的使用不定式的进行式；如果是稍后发生的，使用一般式；如果发生在谓语动作之前，就使用完成式。 |
举一反三
The officer gave orders that anyone _____ a gun should be reported to the police station.| A．saw take | B．seen taking | C．seeing take | D．seen taken |
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— Who are those people gathering in front of the building?
— A group __________ itself the youth volunteers.| A．calling | B．calls | C．called | D．to be called |
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I’m going to the supermarket this afternoon. Do you have anything __________?
A. for buying B. bought C. buying D to be bought |
With the victory at the French Open, Li Na has reached NO．4 in the world,______ the previous Asian record．| A．equaled | B．equaling | | C．to have equaled | D．having equaled |
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Programmes, ______ to bring the old and the young together, are growing in popularity all over the world．| A．designed | B．to be designed | | C．designing | D．having designed |
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