---I have cleaned the room three times a day. Look, It is a mess again. ---       ! Wait until the children go to bed.
#1517
A
How come
B
Why bother
C
So what
D
What for
推荐题目
---Excuse me. Is the library open all day? ---         . Only from 8 a.m. to 4 p.m. 
#21255
A
Yes, of course
B
That’s right
C
Sorry, I’m not sure
D
Sorry, I’m afraid not
 -- Let’s see the pandas first.  -- __________.
#21300
A
Why do you ask me?
B
That sounds great. Let’s go.
C
What animals do you like?
D
No, I don’t.