--Mr.john,we must hand in our homework today,_______?--No ,you ______.But you must bring it to school tomorrow.A needn't we ;mustn't B mustn't we needn'tC mustn't you mustn't D needn't we need't

--Mr.john,we must hand in our homework today,_______?--No ,you ______.But you must bring it to school tomorrow.A needn't we ;mustn't B mustn't we needn'tC mustn't you mustn't D needn't we need't
--Mr.john,we must hand in our homework today,_______?
--No ,you ______.But you must bring it to school tomorrow.
A needn't we ;mustn't B mustn't we needn't
C mustn't you mustn't D needn't we need't

--Mr.john,we must hand in our homework today,_______?--No ,you ______.But you must bring it to school tomorrow.A needn't we ;mustn't B mustn't we needn'tC mustn't you mustn't D needn't we need't
B 因为第第一个空是必须的意思,所以要添MUSTN‘T .而第二个空要表达的意思是需要.所以不能添MUSTN’T 所以用NEEDN‘T

B

D

B