our earth, or else it will be no longer fit for us to live on.
#65875
A
Protected
B
To protect
C
Protecting
D
Protect
推荐题目
For more information on how to apply for scholarship, ______ our Web site at www.edu/scholarship.
#66009
A
visiting
B
to visit
C
visit
D
visits
For more information about Cambridge,_____ our website at www.cambridge.org.
#66080
A
visiting
B
visit
C
to visit
D
visited
_________________ and you will succeed in time, I dare say.
#66122
A
To make more efforts
B
Making more efforts
C
Make more efforts
D
Made more efforts
_____different life today is ________what it was 30 years ago
#65994
A
What; from
B
How; from
C
How; with
D
What; with