The argument remains extremely heated there are necessary conditions of existence such as water on the Mars.
#71649
A
that
B
whether
C
if
D
which
推荐题目
The view ____ many scientists hold is ____ too much emission of carbon dioxide is destructive.
#69227
A
what; that
B
that; which
C
that; that
D
which; which
-- When can I play computer games, Mum?--______ your homework _______.
#41220
A
Until, finishes
B
Not until, will be finished
C
Until ,is finished
D
Not until, is finished
After several years, he changed a lot and looked different from _______he used to be.
#69523
A
whom
B
what
C
which
D
that
Not until the child fell asleep_______leave the room.
#72153
A
did the mother
B
does the mother
C
was the mother
D
is the mother