题目内容
【题目】—What do you think of the Huawei P7?
—Terrific, I would buy one if I ______ an iPhone 6 Plus last year.
A.didn’t buy
B.don’t buy
C.hadn’t bought
D.haven’t bought
【答案】A
【解析】代词it作形式主语代替真正主语,真正主语被后置。主语是从句,我的女儿每天都和手机玩很长时间(“my daughter plays with her cellphone for a long time every day”)。
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