8．Didn't they come to the party last week？
Yes，they didn't want to come with us first，but then we _______ persuade them．（　�。�
A．wouldB．couldC．were able toD．had to

分析 --他們上周沒有來參加聚會嗎？
--不，他們最初不想和我們一起來，但是然后我們成功地說服了他們．

解答 答案是C．本題考查情態(tài)動詞辨析；would會；could能夠；were able to 能夠；had to不得不；關注could和was/were able to的區(qū)別：could只表示"過去有這樣的能力"；was/were able to 表示"過去成功地做了某事"；根據(jù)上文的yes可知，他們來參加了聚會，所以推斷我們"成功地說服了他們"，故答案選擇C．

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

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