Where is Mr Li?___ he is in his office now.Go and find him.

问题描述:

Where is Mr Li?___ he is in his office now.Go and find him.
A Should B May be C May D Maybe

A项一定不可能
B项may be一般放句中,后接名词或形容词
C项may也放句中,情态动词,后接动词原型
D项maybe=perhaps,可能的意思,放句首,所以选D