—Excuse me, can you use the computer? —Yes, I          .
#21222
A
can
B
should
C
must
D
may
推荐题目
 --- Can I smoke here?  --- Sorry. On no condition_____ in the library.
#1355
A
smoking permits;
B
smoking is permitted
C
does smoking permit
D
is smoking permitted
—Next Monday is my birthday.—Is that so? ______
#3223
A
I can’t believe my ears.
B
I’m so glad to hear that.
C
What presents do you want?
D
Many happy returns of the day!
— Lily complains that she has never gets any mail. — ____. I will write her right away.
#3991
A
She is to blame
B
That’s impossible
C
It doesn’t matter
D
That’s too bad
Could you help me put up the maps on the wall?    ----_______________.
#21488
A
No problem.
B
I hope so.
C
That's all right.
D
That's a good idea.