Alice    be at school because she phoned me from her home a minute ago.
#76102
A
mustn’t
B
isn’t able to
C
may not
D
can’t
推荐题目
— May I smoke here?— No, you ______ . This is a no-smoking room.
#75754
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
—______ is “CHINA NEWS” shown on CCTV-4? —Every day. 
#77937
A
How often
B
How many times
C
How long
D
How soon
We         arrive at six. But I’m sorry we are late. 
#63290
A
should
B
were supposed to
C
must
D
ought to
Today’s work ____ today. Never leave it till tomorrow.
#78180
A
must do
B
must be done.
C
may be done
D
may do