__ and animals should live together on the earth.[ ]A. Being B. Human bei

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__ and animals should live together on the earth.[     ]
A. Being
B. Human being
C. Human
D. Persons

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举一反三

How about the _____"s quality?[ ]
A. produce
B. product
C. production
D. goods

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"We will provide the best _____ for you". The sentence means that we will try our best to ____ you.[ ]
A. serve; serve
B. service; serve
C. seven; serve

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Performer means that actors play a _____ in a film.[ ]
A. rule
B. role
C. rude
D. rush

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The world is full of all kinds of _____.[ ]
A. sounds
B. voices
C. noises
D. noisy

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用方框中所给单词的适当形式填空

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