(2013·昆明市一模)—Mr. Green, can you spare me a few minutes? I still have some questions about your assignment.—________.
#933
A
It's a pleasure
B
Not at all
C
Help yourself
D
Sure, go ahead
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----- Have a nice time in the winter vacation. -----_________.
#3905
A
Of course, I have
B
The same to you
C
Of course, I will
D
What about you
—Should I lock the lab before I go home?—_ _．I'll check it myself later．
#1610
A
Go ahead
B
No problem
C
No hurry
D
Don't bother
---Why can’t I park my bike here ? ----_______________.
#24462
A
Great!
B
Oh, I see.
C
Let’s go.
D
Look at the sign!