-----Mr. Smith, can I come to ask for some advice on my paper at any time? -----Yes, of course.             .
#2649
A
If you’re convenient
B
At your convenience
C
That’s right
D
Don’t mention it
推荐题目
——How much do I owe you for lunch?——______. It’s nothing.
#3833
A
You’re welcome
B
Forget it
C
With pleasure
D
That’s right
 — If you have any trouble , be sure to call me .—         .
#21214
A
I’m sorry to hear that
B
I will . Thank you very much .
C
I have no trouble .
D
I will think it over .
 --- I’m sorry for stepping on your foot. --- ______.
#22595
A
That’s all right
B
No, it’s my mistake
C
You didn’t hurt me at all
D
Yes, don’t worry about it