题目内容
【题目】— Were you at home _________?
— No, I was at school.
A.two days before
B.two days ago
C.before two days
D.ago two days
【答案】B
【解析】句意:——两天前你在家吗?——不,我在学校。考查ago, 其结构通常为“一段时间 + ago”,如two years/weeks/days ago;而before 通常没有这种用法。故选B。
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