— ____ you work out the math problem? —
题型:选择题
问题:
— ____ you work out the math problem?
— No, I _____.[ ]
A. Do, can't
B. Can, mustn't
C. Can, can't
D. Can't, must
— ____ you work out the math problem?
— No, I _____.[ ]
A. Do, can't
B. Can, mustn't
C. Can, can't
D. Can't, must