题目6:My best friend and advisor ______ changed _____ mind again.

问题描述:

题目6:My best friend and advisor ______ changed _____ mind again.
A.have; their B.has; his.
C. are; their D. was; his
题目7:We've already sent out the invitation cards, but we don't know how many people_________.
A. come B. are coming
C. came D. have come

C;B
题6应该是被动语态
题7应该是“现在进行时”表“将来”