sorry,frank .i'm busy oday .i can't go swimming with you .A.no problem B.you're welcome C.that's all D.never mind

问题描述:

sorry,frank .i'm busy oday .i can't go swimming with you .
A.no problem B.you're welcome C.that's all D.never mind

A 没问题 B 不用谢 C 没关系 D 没关系