--Excuse me，Mr. Li,_________ I close windows? It’s cold now.--Yes，you__________
#76604
A
can; can't
B
can; may
C
may; can’t
D
may; can
推荐题目
—May I swim here? — No, you _______. It is dangerous.
#62690
A
won’t
B
needn’t
C
mustn’t
D
don’t have to
—Boy, you _______ lean (伸) out of the window while the bus is running. That’s dangerous.—Sorry, I won’t do that again.
#74149
A
needn’t
B
oughtn’t
C
couldn’t
D
mustn’t
——What ___ I wear for the party this evening, darling?——It's a formal dinner．
#62860
A
shall
B
can
C
may
D
must
– Must I get to school at 7:30 every morning? – ________. Just arrive before 8 o’clock.
#74991
A
No, you needn’t
B
No, you mustn’t
C
No, you can’t
D
No, you don’t
——Dad, must I finish my homework today?------No, you . You may do it tomorrow.
#76747
A
needn’t
B
mustn’t
C
don’t
D
won’t