题目内容
She ____ on her way to school. I just phoned her home and got no answer.
should be B. might have been C. must be D. could have been
C
解析:
主要测试虚拟语气。从后句 I just phoned her home and got no answer 可知, 她不在家. must be表示对现在的肯定推测.
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