—— Do you mind my opening the window? It’s a bit hot in here. ——_____ ,as a matter of fact. 
#3921
A
Go ahead
B
Yes, my pleasure
C
Yes, I do
D
Come on
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—Shall I give you a ride as you live so far away?—Thank you. __________
#1767
A
It couldn’t be better.
B
Of course, you can.
C
If you like.
D
It’s up to you.
— I didn’ t expect to see you studying at the library so early in the morning.—      , huh?
#20997
A
Every dog has its day
B
Many hands make light work
C
The early bird catches the worm
D
Too many cooks spoil the broth
—Let’s have lunch together. ________—Thanks, I’d like to. Where shall we meet?
#2298
A
It’s my treat
B
Is that right?
C
It’s up to you.
D
Do you have a better idea?
--- Would you like to go to the cinema with me tonight?   ---___________.
#2313
A
No, I won’t be free
B
Thanks a lot
C
I’d love to, but I’m not free
D
I’m sorry to hear that