问题
选择题
--Must I renew the book now?
--No, you _____. You _________ that before the deadline.
A.mustn't; should do
B.needn’t; should have done
C.may not; should do
D.can't; should have done
答案
答案:D
--Must I renew the book now?
--No, you _____. You _________ that before the deadline.
A.mustn't; should do
B.needn’t; should have done
C.may not; should do
D.can't; should have done
答案:D