题目内容

【题目】My family have lived there __________.

A.many years ago B.for many years ago C.since 1990 D.since 1990 ago

【答案】C

【解析】have done sth for+时间段;have done sth since +时间点;have done sth since +时间段+ago均表示至今为止做某事已经持续了多长时间。

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