---Where’s Lucy? ---I’m not sure. She ________ in the school library.     
#76767
A
maybe
B
must be
C
may be
D
will be
推荐题目
- You         eat the soup if you don’t like it.
#74718
A
shouldn’t
B
mustn’t
C
can’t
D
needn’t
_____ people in the world are sending are receiving e-mails every day.
#77031
A
Million of
B
Many millions of
C
Several millions’
D
Several millions
You ______ write the poem down. Our teacher will give us a copy.
#75235
A
can’t
B
shouldn’t
C
needn’t
D
mustn’t