六月晨希 发表于 2014-4-27 20:19:04

请教介词用法

Shecameback _____ a week.
A. in B. after C. before D. within

六月晨希 发表于 2014-4-27 21:39:12

答案是 B. after 有问题吗?

soniasll 发表于 2014-5-7 08:50:19

Thank you very much
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