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—Excuse me. Is the library open all day?  —        . Only from 9 a.m to 4 p.m.
#19979
A
Yes, of course
B
That’s right
C
Sorry, I’m afraid not
D
Sorry, I’m not sure
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The sign  means　_________
#20019
A
No parking
B
No right turn
C
You can’t turn left
D
No entry
— Would you like to join us in the game?— __________, for I have something important to do．
#19940
A
I’mafraidnot
B
I’dloveto
C
Iwon’t
D
Iwill
---Our class won the first prize in the school football match last week.---________
#19938
A
Take care!
B
Congratulations!
C
What a pity!
D
Good Luck!
 ---Hello! Are you Amy?    ---______ .
#20027
A
Yes, I’m not
B
No, I’m
C
No, I’m not
D
Yes, you are.
—Are you ready to host the party?—______. Everything is done.
#20141
A
Not at all
B
It’s hard to say
C
Sure, I am
D
I’m afraid not