—Must I mop up the floor now? —No, you _________. [ ]A. needn't B. can't C. shouldn't
[ ]
题目简介
—Must I mop up the floor now? —No, you _________. [ ]A. needn't B. can't C. shouldn't
题目详情
—No, you _________.
[ ]
B. can't
C. shouldn't
D. mustn't
答案