2019年mpa考试英语真题——虚拟语气1

{01}What would have happened,_____ as far as the ri- verbank?
[      ]
A.Bob had walked
B.if Bob should walk
C.had Bob walked
D.if Bob walked
解析：
本题选C。

{02}They demanded that the books ______ to the school library right away.
A.should return
B.be returned
C.were returned
D.returned
解析：
本题选B。