What do you think we can do for our teachers? You____do anything except to work hard and beyourself.A.don't have toB.oughtn't toC.mustn'tD.can't求解释!
问题描述：
What do you think we can do for our teachers? You____do anything except to work hard and be
yourself.
A.don't have to
B.oughtn't to
C.mustn't
D.can't
求解释!
答