Green plants breathe_____oxygen in sunlight.
#29171
A
in
B
out
C
back
D
for
推荐题目
She remained at home to look__________the children when her husband went out.
#28647
A
after
B
for
C
on
D
at
Men and women should be treated equally according to the law, but _____ there is great room for improvement.
#26909
A
in fact
B
above all
C
after all
D
in return
Unlike the earth, Mars is too cold and Venus is far too hot _______ there to be any life.
#25693
A
as
B
so
C
like
D
for
The light will be thrown ______ the cause of cancer by research that is now in progress.
#27489
A
to
B
upon
C
in
D
for