—Are these doctors and nurses tired, Mr. Smith? —Yes. ________. They have been operating on the patient for at least 10 hours. 
#2193
A
They’re exhausted!
B
You must be joking!
C
I’m not surprised!
D
They are really tired of it!
推荐题目
 ---Good Heavens? My glasses are broken. Who did it? ---______.
#4021
A
Never mind.
B
Mm, let me think.
C
Don’t look at me.
D
Why are you asking me?
.— Let’s go camping this weekend, OK?—       . I love getting close to nature.
#1290
A
I couldn’t agree more
B
I’m afraid not
C
I believe not
D
I don’t think so
 ---I will go riding with my friends this weekend.---Really? ________!
#21088
A
Have a good time
B
OK
C
That’s all right
D
Let’s go
---I’d love to go with you to the concert, but I’m short of money these days. ---That’s all right.________.
#3423
A
We are friends, and we should help each other.
B
It will be my treat.
C
You know I have a lot of money.
D
I’ve got enough money.
-- Shall we join in the Green World Summer Camp? --_________
#23437
A
Good idea.
B
You're welcome.
C
Not at all.
D
Never mind.