--Professor Johnson, I'm afraid I can't finish the report within this week. --_______ How about next week? 
#1904
A
Good for you
B
It won’t bother me
C
Not at all
D
That’s OK
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---Can you stay here longer?---     , but I have to be back tomorrow.
#22630
A
I’d like to
B
I’m afraid not
C
No problem
D
No, thanks
—Jones! Roy has broken the glass.—         Such things happen.
#3107
A
Doesn’t matter.
B
How come?
C
What a pity!
D
What has become of him?
-This is my friend, Leo.-            
#22314
A
Thank you.
B
I’m fine. And you?
C
Nice to meet you.
D
Not at all.