问题
Who didn’t turn off the light after school yesterday?– It ______ be Lucy. She told me she was the last one to leave the classroom.
A:must
B:mustn't
C:might
D:can't
B:mustn't
C:might
D:can't
正确答案是:
同类题型
These coats are different _______ size. [ ]
If I _____, I will go to the tea party this evening. [ ]
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We must try our best to the river being polluted any more.
Which would you like, tea or coffee? —Either_______ ok, but I prefer coffee _______ milk. [ ]