Question

【题目】He has nothing to do this afternoon, so he ______ at home now. But I’m not sure.

A. may B. may be C. maybe D. must be

Answer 1

【答案】B

【解析】

试题分析：句意：今天下午他无事可做，因此他可能在家。但我也说不准。may be 可能是；must be一定是。依据句意可知，此处是表示没有把握的推测。故答案为B。