问题描述:
--Excuse me,is this seat taken?--____________.That man got hiss books and left a few minutes ago.
A.I'm afraid so B.I don't know C.I don't think so D.I hope so
求详解
A.I'm afraid so B.I don't know C.I don't think so D.I hope so
求详解
问题解答:
我来补答展开全文阅读