The overseas Chinese scientist made another wonderful discovery, ___________ of great value to study AIDS.
#34652
A
which I think it is
B
which I think is
C
I think it is
D
I think is
推荐题目
____ I got to the reading-room, I found that he ____ there.
#33045
A
At every time; read
B
Each time; was reading
C
At each time; would read
D
Every time; reads