--Must I renew the book now? --No, you _
题型:选择题
问题:
--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
--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