16．I'm sorry I didn't hear you clearly，________ you repeat that，please？（　�。�
A．CouldB．MayC．MustD．Need

分析 抱歉我沒有聽清你的話，能請你重復(fù)一遍嗎？

解答 答案是A．本題考查情態(tài)動詞辨析；根據(jù)語境判斷，因為沒有聽清，所以"請求"對方重復(fù)，could常常用在疑問句中表示請求，Could you please…請你…好嗎？，故答案選擇A；may可用在疑問句中表示請求，但是主語往往是第一人稱；所有B項不當(dāng)；must要在第二人稱的疑問句中往往表示說話人的不滿意的語氣"偏要，非要"，不符合語境；need 需要，語義不當(dāng)．

點評 要在正確理解情態(tài)動詞的基本含義的基礎(chǔ)上，整體理解語境中的情感態(tài)度，做出合理的判斷．

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