知识梳理 核心突破 单元微写作 分层限时跟踪练 wild
decrease
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hunt
importance
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protect
protection
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respond
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merciful
merciless
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affect
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succeed
success
successful
employ
employer
employee
harm
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harmless
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distance
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relieve
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According to
in danger of
died out
in peace
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in relief
so that
protect
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as the WWF suggests
long before humans came into being
the way the bones were joined together
there are very few left
If you do as I say，your dream will come true soon.
Please make sure you return the book before it's due.
To be honest，we admired the way(in which/that) he solved the problem.
There has been no time left for us to think it over.