单项选择题

Very few people understood this contract，（）was very obscure.

A. the language
B. the language of which
C. all it said
D. which it had said

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单项选择题A good worker in a key spot could， so （）as he kept up production， take all the coffee breaks he wanted.

A. long
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C. much
D. little

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A. push
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D. set