More and more people find ______ necessary to protect our earth.
#55750
A
it
B
that
C
this
D
its
推荐题目
The twins are so much alike that it is difficult to tell one from________.
#55916
A
other
B
the other
C
others
D
another
—hat do you think of genetically modified food (转基因食品)? —We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.
#55807
A
that, for
B
it, for
C
it, of
D
that, of
_______ my book , _______ your book.
#55836
A
This’s; it’s
B
this is; these’re
C
That’s ; this’s
D
This is; that’s