--Must I renew the book now?-No,you _____.You _________ that before2.--Must I renew the book now?-No,you _____.You _________ that before the deadline.A.mustn't; should do B.needn’t; should have doneC.may not; should do D.can't; should have done想说答案是B的请绕行..

问题描述:

--Must I renew the book now?-No,you _____.You _________ that before
2.--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
想说答案是B的请绕行..