I haven't seen you for ages.Where have you been?I_____on leave in Europe.A.have been B.am C.was

问题描述:

I haven't seen you for ages.Where have you been?I_____on leave in Europe.A.have been B.am C.was

A问句用的是现在完成时,答句也用现在完成时.怎么问就怎么答