—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area. 
#63550
A
will
B
may
C
shall
D
must
推荐题目
We should spend as much time as we _______ over our lessons.
#63678
A
go
B
can to go
C
can go
D
can going
His failure suggested that he   the teacher’s suggestions.
#62975
A
can’t have followed
B
needn’t follow
C
mustn’t have followed
D
shouldn’t follow
—Send me an e­mail when you are free, will you?—________.
#62584
A
I must  
B
I will  
C
I can  
D
I should