— 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
---Sorry, I have left your dictionary at home. ---______. I won’t be using it today. 
#20084
A
My pleasure
B
Certainly not
C
All right
D
It doesn’t matter
—What is your mother?    —__________.
#20263
A
She is my mother
B
She is a policeman
C
She is a nurse
D
She is Susan
How did you find the trip to the West Lake?________.
#20124
A
The guide took us there.
B
First by train and then by bus.
C
Very fantastic indeed.
D
It was not far from our hotel.