Which is a traffic sign? 
#23158
A
B
C
D
推荐题目
— Do you mind if I open the window?— ______ I feel a bit cold.
#2972
A
Of course not.
B
I would rather you didn’t.
C
Go ahead.
D
Why not?
-- Why don't you join us for breakfast?  -- Sure! ______ 
#21102
A
Good luck!
B
Congratulations!
C
What to do?
D
Why not?
---Have a nice day to you!      ---_________________.
#21948
A
Well done
B
Thank you
C
My pleasure
D
Me, too.
--- I will take an important test tomorrow.--- Oh, really?________!
#22564
A
Good luck
B
Have a good time
C
Well done
D
Good idea