【題目】—What time shall we leave for the airport?

—It’s foggy today. I’m not sure______. Let’s go now.

A. whether the highway will be closed soon

B. whether will the highway be closed soon

C. when the highway will be closed soon

D. when will the highway be closed soon

【答案】A

【解析】

句意：“--我們什么時(shí)間出發(fā)去機(jī)場(chǎng)？--今天多霧．我不確定高速公路是否很快要關(guān)閉．我們現(xiàn)在就走吧�！保鶕�(jù)I'm not sure 可知，賓語從句中一般為陳述語序，BD都是疑問語序；又根據(jù)I'm not sure 可知，此處"不知道高速公路是否很快要關(guān)閉"，whether在動(dòng)詞后面，它引導(dǎo)的是賓語從句，表示"是否"．由soon可知，賓語從句應(yīng)該用一般將來時(shí)態(tài)．當(dāng)主句是一般現(xiàn)在時(shí)態(tài)或含情態(tài)動(dòng)詞的句子，賓語從句應(yīng)該根據(jù)需要選用任何時(shí)態(tài)．主語the highway 是動(dòng)詞close的承受者，應(yīng)該用一般將來時(shí)態(tài)的被動(dòng)語態(tài)．一般將來時(shí)態(tài)的被動(dòng)語態(tài)的構(gòu)成是：will be+動(dòng)詞的過去分詞，故選A．

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