-- Must I come here at eight o’clock?                                           -No, you ____. You may come a little later.                                      
#78344
A
mustn’t   
B
needn’t   
C
may not  
D
can’t
推荐题目
 This book _____ Lucy’s. Look! Her name is on the book cover.
#75339
A
must be
B
may be
C
can’t be
D
mustn’t be
If the students who killed themselves had only been more confident, their deaths ________.
#63688
A
need have been avoided
B
must have been avoided
C
might have been avoided
D
will have been avoided