. Mary _____ be in London because I saw her in town just now.
#88099
A
mustn’t
B
isn’t able to
C
needn’t
D
can’t
推荐题目
You are wet through. You ___________ in the rain.  
#87522
A
must come
B
must have forgotten
C
may catch
D
must have got caught
Without electricity human life __________ quite different today. 
#87677
A
is
B
will be
C
would have been
D
would be
— What’s the matter with Peter?— He was seen crying when he was coming out of the office. He ________ by the manager.
#89499
A
may be scolded
B
should have been scolded http:/
C
must be scolded
D
must have been scolded
It’s required that the students___ mobile phones in their school, so seldom ____ them using one.   
#87521
A
not use; will you see
B
should not use; you will see
C
don’t use; will you see
D
would not use; you will see