There are several research centers in China ________ a certain disease called Bird Flu is being studied. 
#73321
A
which
B
where
C
when
D
what
推荐题目
The artist will not paint people or animals but he will paint anything ________ . 
#73305
A
that the little girl asks him
B
the little girl asks him to
C
for the little girl to ask him
D
what the little girl asks him
China has hundreds of islands, ___________ is Taiwan Island.
#73520
A
among them the largest
B
and the largest of which
C
and the largest of them
D
but in which the largest
It was quite a serious accident, ________caused by careless driving.
#74253
A
which I think was
B
I think which was
C
which I think it was
D
I think which it was