The problem is too difficult for him. He _______ solve it by himself without any help.
#76048
A
can't
B
mustn't
C
shouldn't
D
needn'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
From March 13th, 2013, anyone under the age of 14 ______ go into Disney’s US parks alone.
#74340
A
couldn’t
B
mustn’t
C
needn’t
D
mightn’t
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
One of our rules is that every student ______wear school uniform while at school.
#62828
A
might
B
could
C
shall
D
will