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      our earth, or else it will be no longer fit for us to live on.
#92853
A
Protect
B
To protect
C
Protecting
D
Protected
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推荐题目
_______ your score and see how many points you get.
#92670
A
Add to
B
Add up
C
Add up to
D
Added to
It is known to all that every minute ____ full use of____ the lessons will benefit students a great deal．
#93529
A
which makes; studying
B
when made; to study
C
that made; to study
D
which is made; studying
It ______ six years since they last saw each other.
#94134
A
was
B
had been
C
is
D
would have been
________is no need for you to come if you don’t want to.
#93164
A
It
B
There
C
That
D
This
The train was__________ to arrive at 11:30,but was an hour late.
#94988
A
about
B
likely
C
certain
D
supposed