—Could you please help me do homework this afternoon? —_________ I will be free after 2:30 in the afternoon. 
#21647
A
Sorry, I can’t
B
No, you can’t
C
Sure, I’d love to
D
Of course not
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—Oh, Mary is not here these days. Is she ill?—    Her mother told me that she was in hospital.
#22376
A
I am afraid so
B
I hope so
C
I don’t mind
D
I don’t think so
–The Modern Art Exhibition in the City Museum has been cancelled.–Oh, no! ______.
#1077
A
It’s a pity
B
It doesn’t matter
C
I knew it already
D
It’s not interesting at all
----Can I look at the menu for a few more minutes before I decide?----Of course. ______, sir.
#2926
A
Make yourself at home
B
Take your time
C
It doesn’t matter
D
Enjoy yourself