问题

May I play outside now, mum—– No, you _______. You ________ do your homework first.
A:may not; can
B:can’t; may
C:may not; may
D:can’t; must;
B:can’t; may
C:may not; may
D:can’t; must;
正确答案是:
同类题型
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Are you satisfied with her work, sir?—Not at all. It couldn’t be any _______.
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Look! The wind is blowing strongly.—Yes, we should keep all the windows and doors ___ .