Which of the following we can't use when we make a telephone call?
#21376
A
Who's that?
B
Who's calling'?
C
Who's speaking?
D
Who are you?
推荐题目
 ---Would you mind my opening the window?---___________ It’s much too hot here. 
#21113
A
Certainly.
B
Of course not.
C
All right.
D
Yes, you can.
— Would you mind my challenging you to a game of chess? — ______.
#2155
A
No, never mind
B
Yes, you are welcome
C
No, go ahead please
D
Yes, I’m expecting
—Would you mind moving your desk, Jack?—_________  I’ll do it right away.
#20950
A
Yes, thank you.
B
No, not at all.
C
Sure, thanks a lot.
D
Of course.
 --- I am going downtown.  --- Come on. _________.
#3788
A
Don't do that.
B
You are welcome.
C
Come with me.
D
I'll give you a lift.