—Must I return the book tomorrow?
—No, you _____. You _____ keep it for a few days. [ ]
A. mustn't may
B. mustn't must
C. needn't must
D. needn't can
答案:D
—Must I return the book tomorrow?
—No, you _____. You _____ keep it for a few days. [ ]
A. mustn't may
B. mustn't must
C. needn't must
D. needn't can
答案:D