(2013·郑州质量检测)—Jack hurt his leg yesterday.—Really?________?
#634
A
What’s wrong with him
B
How did it happen
C
Wasn’t he too careless 
D
Who told you that
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— Hello, may I have an appointment with the doctor?  — ____    
#4297
A
Sorry, he is busy at the moment.
B
Why didn't you call earlier?
C
Certainly. May I know your name?
D
Sorry, he doesn't want to see you.
—Why don't we just leave it until tomorrow?—________ I'm dead tired today.
#824
A
Forget it.
B
I couldn't agree more.
C
It all depends.
D
Don't mention it.
.—_________—I have a headache.’
#21245
A
What’s the matter,Mike?
B
Where are you, Mike?
C
Who are you?
D
What are you doing, Mike?