--- Sorry, it's already 6 o’clock. I have to be off for an appointment. ---OK. ________. 
#1571
A
It couldn’t be better
B
You really have me there
C
Let’s call it a day
D
Take your time
推荐题目
—Have you understood what he really means? —___________.
#2909
A
Now and then
B
More or less
C
From time to time
D
Here and there
—I believe we've met somewhere before. —No, _________.
#3848
A
it isn't the same
B
it can't be true
C
I don't think so
D
I'd rather not
“Do you mind if I smoke here?” “_______. Go to the smoking room, please.”
#3690
A
Of course not
B
Sure, why not
C
No, I don’t
D
Yes, I do
.-Would you mind my opening the window for some fresh air?- _______
#3722
A
Why not?
B
Yes, help yourself.
C
Go ahead, please.
D
Yes, but you’d better not.