—I’m afraid you have the wrong number.—Sorry!________.                                          
#812
A
See you later
B
I didn’t know that
C
Hold on,please
D
I hope I didn’t bother you
推荐题目
--I wonder if I could use your bike?       --________. 
#2737
A
Sure. Go ahead
B
I’m sorry. Help yourself
C
Yes, you could
D
No, you couldn’t
—Have a cup of coffee?—_____________,though as a rule I don’t drink after dinner.
#4073
A
If you insist 
B
Don’t you insist
C
Once you insist 
D
What I insist