题目内容
【题目】They _______ old at that time(在那时). They were young. （ ）
A.weren't
B.aren't
C.wasn't
【答案】A
【解析】at that time是一般过去时的时间状语，排除B选项。主语是they，排除C选项。故选A。
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题目内容
【题目】They _______ old at that time(在那时). They were young. （ ）
A.weren't
B.aren't
C.wasn't
【答案】A
【解析】at that time是一般过去时的时间状语，排除B选项。主语是they，排除C选项。故选A。