He has made another wonderful discovery, _____ I think is of great importance to science.
#77865
A
which
B
what
C
when
D
that
推荐题目
Nelson Mandela _________ his life to fighting for a free society________ all people live together in harmony.
#75697
A
devoted; which
B
spent; in which
C
devoted; in which
D
spent; where
---Where did you find your wallet? --- It was in the shop _______ I bought the shirt.
#75924
A
that
B
which
C
where
D
there
Then moment _________ Mary will always remember is _________ Mr．Black gave her a lot of valuable advice on how to improve her writing．
#75185
A
when; that
B
that; that
C
that; when
D
when; where