— There'ssomeone knocking on the door. Who _____it be?— It must be Mary. She promised to be here at 8：00.
#62863
A
must
B
need
C
shall
D
Can
推荐题目
If you _____the book, you ____ buy it right now, I think.
#78151
A
needn’t, needn’t
B
don’t need, don’t need
C
don’t need, needn’t
D
don’t need, needn’t to
She is a quiet girl at school，but sometimes she _____ be very naughty.
#62791
A
should
B
would
C
can
D
will
You _ to the meeting this afternoon if you have something important to do.
#76786
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come