He made another wonderful discovery, ______ of great importance to science.
#93713
A
which I think is
B
which I think it is
C
which I think
D
I think which is
推荐题目
 It was Alice and her friends who helped the homeless old woman,______?
#93973
A
wasn’t it?
B
wasn’t she
C
didn’t they?
D
weren’t they?
. He ____ in the north, but now he ____ here.
#94891
A
used to live; is used to the life
B
use to live; is used to live
C
used to living; is used to living
D
used to live; is used to live