_____ his homework, he went out to play.A．Having doneB．DoneC．He has doneD．He had
题型：不详难度：来源：
_____ his homework, he went out to play.| A．Having done | B．Done | C．He has done | D．He had done |
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答案
| A |
解析
| having done是现在分词的完成式，表示动作完成。 |
举一反三
Saying always has less difficulty than _____.| A．done | B．doing | C．to do | D．having done |
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Although swimming is his favorite sport, yet he doesn"t like _____ today.| A．to swim | B．swimming | C．swim | D．to have swim |
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She said she was sorry _____ the train, so she had to stay here for another day.| A．missing | B．having missed | C．to miss | D．to have missed |
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_____ the same mistake again made his parents very angry.| A．His being made | B．He has made | C．He had making | D．His making |
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You"d better not have the lights _____ all day long.| A．burning | B．burned | C．to burn | D．being burnt |
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