2．-Is Peter coming？
-No，he __________ his mind after a phone call at the last minute．（　�。�
A．changesB．changedC．was changingD．had changed

分析 --彼得要來嗎？--不，他在打完電話的最后一分鐘改變了注意．

解答 答案：B 由對話內(nèi)容可知此處應(yīng)該用一般過去式．A項是一般現(xiàn)在時；B項是過去式；C項是過去進(jìn)行時；D項是過去完成時．故B項正確．

點(diǎn)評 通過情景對話考查動詞的時態(tài)．

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