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【单选题】

The human body consists of organs, each ____a definite job to do.
The human body consists of organs, each ____a definite job to do.

A.
have
B.
to have
C.
has
D.
having
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参考答案:
参考解析:
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举一反三

【单选题】They are ______ at the _______ news.

A.
frightening, frighten
B.
frightened, frightening
C.
frightening, frightening
D.
frightened, frightened