-Who’s that?-       
#21432
A
It’s a pen
B
That’s an eraser.
C
It’s green.
D
Sorry(对不起). I don’t know.
推荐题目
—I can’t get on with some of my classmates. They just leave me in the cold.—______ But what’s the reason?
#3269
A
Sorry to hear that.
B
How about that?
C
Don’t mention it.
D
Never give up.
—Simon, your mother looks nice!—__________.
#23986
A
Thank you.
B
OK.
C
No, she isn’t.
D
Yes, that’s nice.