(2013·咸阳二模)We should keep in mind that the earth is our only home and only by saving the environment________ourselves.
#79565
A
we can save
B
can we save
C
we must save
D
must we save
推荐题目
At the foot of the mountains ____________.
#80399
A
lying a village
B
lies a village
C
lie a village
D
does a village lie
Only in this way ______ progress in your English .
#80426
A
you make
B
can you make
C
you be able to make
D
will you able to make
—Do you often go to the gym? You look fit．—On the contrary, seldom ____ in my spare time．
#82464
A
I work out
B
did I work out
C
I worked out
D
do I work out
Don’t worry！There is still a great chance we can make up for the lost time.
#80871
A
which
B
that
C
where
D
when