题目内容
( ) 2,Linda went to London two days .
But her brother has never been there
A. ago; ago B. before; ago
C. before; before D. ago; before
2. D ago用于一般过去时;before作为副词,用于现在完成时。
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题目内容
( ) 2,Linda went to London two days .
But her brother has never been there
A. ago; ago B. before; ago
C. before; before D. ago; before
2. D ago用于一般过去时;before作为副词,用于现在完成时。