一道初二的题：must be 与 may be
问题描述：
一道初二的题：must be 与 may be
I'm afraid I______be going.It's too late.
A.must B.can C.need.D.may
在本题中,must be 与may be 的区别到底在哪呢?
另有类似一题：
Who is that boy in a red coat?
It ____ Tom.He likes red coat.
A.must be B.can be C.may be
答
I'm afraid I______be going.It's too late.A.must B.can C.need.D.may 选A根据题意：恐怕我必须走了,天色已晚了must be 表一定,必须的意思may be 表不确定,可能,也许Who is that boy in a red coat?It ____ Tom.He ...