–Excuse me, sir, but I don’t think you can smoke here.–Really sorry. I ______ this is a non-smoking area.
#23346
A
don’t know
B
didn’t know
C
have no idea
D
haven’t known
推荐题目
 – What is Kitty doing the day after tomorrow?–_________. 
#22591
A
She went to the movie
B
She is studying for a math test
C
She has s sore throat
D
She gets to school by train
—A second, please. I have another call coming through.—   I’m not in a hurry.
#1058
A
Enjoy yourself.
B
Leave me alone.
C
Why not?
D
Take your time.
 -Hello, is that John?-__________  a moment. He is coming.
#2900
A
Hold on
B
Hold up
C
Hold on to
D
Waiting.
— You’d better not eat too much salt. It’s bad for your health.  —_________. 
#24281
A
Not at all
B
You’re welcome
C
It doesn’t matter
D
Thanks for your advice