--Could I use your bike, Jack?--Of course, you____________.
#89444
A
can
B
may
C
could
D
might
推荐题目
—You _____ a meal this evening. I had dinner at a restaurant with Tom.—Well, why didn’t you phone me and let me know?
#88104
A
should not cook
B
don’t need to cook
C
needn’t have cooked
D
should have cooked
If you had listened to the doctor, you  _________ all right now. 
#86988
A
are
B
were
C
would have been
D
would be
—Perhaps John's not in.—______.Look,the light's on.
#89430
A
Yes,he can be at home
B
No,he couldn't go out
C
Yes,he must be at home
D
No,he needn't go out
The government demanded again that the public      the rumour.
#88125
A
not to believe
B
mustn’t believe
C
not believe
D
wouldn’t believe