It would be unfair to clone any extinct animals they were to live in a zoo.
#34232
A
or
B
if
C
but
D
whether
推荐题目
_______the people have become masters of their country _______ science can really serve the people.
#32678
A
It is only then; that
B
It was that; when
C
It is only when; that
D
It was when; then
— How do you think I can make up with Johnson?— Set aside ______ you disagree and try to find ______ you have in common.
#31968
A
what; what
B
where; what
C
what; which
D
where; which
We don’t doubt _______ we will complete all the projects before the year 2010.
#32433
A
when
B
if
C
that
D
whether
They felt ________ it was high tax and low income ________ contributed to the extreme misery of the working people at the bottom of the ladder.
#32138
A
/；that
B
that; which
C
that; what
D
/; which