The key the earth is to change the way we live.
#96487
A
to save; /
B
to saving; /
C
to save; how
D
to saving; how
推荐题目
John, you must get your room ________ after breakfast.
#98772
A
to be cleaned
B
to clean
C
cleaning
D
cleaned
—I' m sorry, but I didn’t mean__________ out your secret.—But you know, letting out one's secret means________ one' s feelings.
#94441
A
to let; to hurt
B
letting; hurting
C
to let; hurting
D
letting; to hurt
Friends are like leaves, ________ everywhere, but true friends are like diamonds, precious and rare.
#92483
A
found
B
finding
C
to find
D
being found
_______ basic first-aid techniques will help you respond quickly to emergencies.
#90591
A
Known
B
Having known
C
Knowing
D
Being known
To play fair is as important as ______.
#97504
A
to play well
B
play well
C
we play well
D
playing well