题目内容
【题目】One of my old pals called me last night. Believe it or not,it's________ five years since we last met.
A.at length
B.at most
C.at least
D.at last
【答案】C
【解析】A.at length最后;B.at most至多;C.at least至少;D.at last最后;句意:昨晚一位老朋友打电话给我,信不信由你,我们至少五年没见面了。根据句意,故选C。
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