36．We found necessary to protect the environment． A．it B．this C．that D．不填——青夏教育精英家教网——

摘要：36．We found necessary to protect the environment． A．it B．this C．that D．不填

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We found ________ necessary to protect the environment．

A．it

B．this

C．that

D．what

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We found ________ necessary to protect the environment．

A．it

B．this

C．that

D．what

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We found ________ necessary to protect the environment．

A．it

B．this

C．that

D．what

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We found ________ necessary to protect the environment.

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