Math is a little difficult, but I still like it very much. 
#17281
A
few
B
kind
C
kind of
D
a few
推荐题目
Our planet is about         years old.
#17203
A
35,000
B
4600
C
4600 million
D
500 million
________表示“联合国” 
#17227
A
UN
B
RMB
C
CCTV
D
UK
---Could you be so kind as to close the door?  ---______.
#16997
A
With pleasure
B
Go ahead
C
Yes, please
D
That’s OK
—Nice talking to you, thanks a lot. ——____________.Bye.
#17242
A
Me, too
B
A11 right
C
So do I
D
Thank you
He is Tom Hand.His __________ is Tom.
#17211
A
first name
B
family name
C
last name
D
school name