See who’s there! it be Mary? A. May B. Must C.Can D.Will
来源：网络
时间：
推荐文章
See who’s there! ____ it be Mary?
A. May B. Must C.Can D.Will
试题答案
C
解析:
表示推测时,A B都不用作问句,D项句子意思不当.
See who’s there! ____ it be Mary?
A. May B. Must C.Can D.Will
C
解析:
表示推测时,A B都不用作问句,D项句子意思不当.