Question

The man       be my English teacher . He has gone to Canada
A. might       B. must       C. can' t

Answer 1

C

might  “也许，可能”，must“必须，一定”，can't“不能，不可能”，从后半句“He has gone to Canada”（他动身去加拿大）来判断，那个男人不可能是我的英语老师，故C 。