题目内容
3．-How clean the bedroom is!-Yes，I am sure that someone it．（ ）
| A． | clean | B． | cleaned | C． | had cleaned | D． | has cleaned |
分析 --那间卧室好干净啊？
--是的，我相信有人把它打扫了．
解答 答案：D．
根据对话的语境"--那间卧室好干净啊？--是的，我相信有人把它打扫了．"强调过去的动作对现在造成的影响，判断用现在完成时．现在完成时的构成是：主语+have/has+动词的过去分词； 故答案为D．
点评 本题考查了动词的时态．做题时，一定要特别关注有关的时间短语，这是判断句子时态的标志．在没有时间状语的情况下可以联系上下文根据语境来做出正确判断．
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