9.---Thank you very much for giving me a hand when I was in trouble.
---Don't mention it.I only did what anyone else      in my place.( 。
A.must doB.might doC.would have doneD.Can have done

分析 ---非常感謝您在我困難的時候給了我?guī)椭?br />---不客氣.其他任何人在我這個位置上都會這么做的.

解答 答案:C
"I only did…"提示了該句是對過去的推測,might do,must do 都是表示對現(xiàn)在的推測; can have done 表推測一般用在否定句和疑問句中,表示不相信或懷疑的態(tài)度.would have done表示對過去的推測,故選C.

點評 "情態(tài)動詞+have+done",表示對過去行為或動作進行推測、評論或判斷.要注意總結(jié)用法.

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