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
_____ into English, the sentence was found to have an entirely different word order.
#93145
A
Translating
B
To translate
C
Having translated
D
translated
He told this to somebody else,not realizing that he ______.
#98145
A
didn't suppose
B
was not supposed
C
didn't suppose to
D
was not supposed to
He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
#96968
A
known to find
B
knowing to find
C
known finding
D
knowing finding