The woman over there______ be our English teacher.She is so serious.No,it______be her.The woman over there______ be our English teacher.She is so serious.No,it______be her.She is having a meeting in the office now.A.can; mustn't B.must;mustn't C.must

The woman over there______ be our English teacher.She is so serious.No,it______be her.The woman over there______ be our English teacher.She is so serious.No,it______be her.She is having a meeting in the office now.A.can; mustn't B.must;mustn't C.must
The woman over there______ be our English teacher.She is so serious.No,it______be her.
The woman over there______ be our English teacher.She is so serious.
No,it______be her.She is having a meeting in the office now.
A.can; mustn't B.must;mustn't C.must;can"t

The woman over there______ be our English teacher.She is so serious.No,it______be her.The woman over there______ be our English teacher.She is so serious.No,it______be her.She is having a meeting in the office now.A.can; mustn't B.must;mustn't C.must
C
肯定句中的猜测用 must
否定句的猜测用 can't

C
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C must带有猜测的意思，下面的回答是肯定的，那个肯定不是老师，can是对的