Question

【题目】— What is your mother doing now?

— She sleeping because she worked too late last night.

A. maybe B. may be

C. may is D. may

Answer 1

【答案】B

【解析】试题解析：考查情态动词的用法。句意：--你妈妈现在在做什么？--她可能在睡觉因为她昨天工作得很晚。

在此句中，may作为情态动词，意思是“可能”，由于情态动词后要用动词原形，故用be。根据句意，故选B。