—I want to know if I _______________smoke here. —No, you ______________. Could you see the sign “ No Smoking” there?
#76671
A
can; needn’t
B
must; can’t
C
shall; won’t
D
can; mustn’t
推荐题目
 I didn’t know Headmaster Weng was away for Beijing. I       to his office yesterday.
#63308
A
mustn’t have gone
B
needn’t have gone
C
wouldn’t have gone
D
couldn’t have gone
—I think the man over there must be Bob. -- It_______ be him. He has______ to Australia. 
#78073
A
can’t, gone
B
can’t, been
C
may not, been
D
mustn’t, gone
_____ 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