The sign “@” in zhonghua @sina.com means ________ .
#17032
A
a.
B
on
C
at
D
in
推荐题目
—— Don’t play with fire.——-_________
#17232
A
It’s right.
B
Sorry, I won’t do it again.
C
It doesn’t matter.
D
I know
Our planet is about         years old.
#17203
A
35,000
B
4600
C
4600 million
D
500 million
It’s nice _______ you _______ me with my lessons. 
#16757
A
for, helping
B
for, to help
C
of, to help
D
of, helping
She is good at ________ Chinese ________ math. Her favorite subject is English.
#17290
A
either; or
B
not only; but also
C
neither; nor
D
both; and