问题
选择题
—Can you answer the last question?
—No, I _______. It's too difficult.[ ]
A. mustn't
B. can't
C. needn't
D. shouldn't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Can you answer the last question?
—No, I _______. It's too difficult.[ ]
A. mustn't
B. can't
C. needn't
D. shouldn't
答案：B