【題目】—You didn’t wait for Mr. Smith last night, did you?

—No, but we ______. He didn’t return home at all.

A. needn’t have waited

B. couldn’t have waited

C. didn’t need to

D. should wait

【答案】C

【解析】考查反義疑問句。當(dāng)反義疑問句主句是否定句的時候，回答時，yes要翻譯成“不”，no要翻譯成“是的”，其余部分要根據(jù)實際情況回答。句意：—昨天晚上你沒有等斯密斯先生，是嗎？—是的，我們不必等他，他根本就沒有回家。故C正確。

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