—Hi, Lily and Kate, are you classmates?  —Yes, ________.
#20261
A
we are
B
we’re
C
I am
D
I is
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--Where’s my schoolbag?    --______.
#20097
A
Yes,it is
B
I’m OK
C
It’s in your room
D
They are on the table
– Excuse me. I have a complaint about the coffee bought on tmall.com. – ______
#19993
A
I don’t think so.
B
That’s all right.
C
Really?
D
What’s the trouble?
—I lost my new watch on the bus yesterday morning.—____________________________ .
#20209
A
I’m afraid not
B
You’re welcome
C
I’m sorry to hear that
D
I hope so
— Betty, you don’t look well. What's wrong?—I have a fever.— ______. You'd better go to see a doctor.
#20183
A
I'm sorry to hear that
B
Oh, mine
C
It's all right
D
You look bad
— Excuse me. Would you mind my using your dictionary for a short time?   —________. 
#20007
A
No, you can’t.
B
It’s my pleasure.
C
Yes, please.
D
Not at all. Help yourself.