He has made another wonderful discovery,___ of great importance to science.
#73562
A
who I think it
B
which I think it is
C
that I think is
D
which I think is
推荐题目
This is the book I bought yesterday , ______I spent 8 yuan .
#74142
A
on which
B
for which
C
in which
D
at which
Almost all English prepositions ______ look like verbs.
#69172
A
when they turn into Chinese
B
when turning into Chinese
C
when they turned into Chinese
D
when turned into Chinese