— Is this a key?   — ________ . 
#20072
A
No, it isn’t.
B
It’s a ruler
C
Yes, it’s
D
OK
推荐题目
--- Lin Tao, sit down please.----______
#20239
A
Hello
B
All right
C
Sorry
D
Thank you
 ----Is that your eraser ?  ---_________.
#20089
A
Yes, I am
B
Yes, he is
C
No, it isn’t
D
No, I’m not
---How is every thing going in the hospital, dear? ---_______. 
#20138
A
I’m all right, thanks
B
Not too bad, I guess
C
Not at all
D
That’s all right, thank you
— Your English is very good.   —____________  . 
#20067
A
No, no
B
No, it isn’t
C
It’s not good
D
Thank you