________ is mentioned above, the number of the students in senior school is increasing.

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________ is known to everybody, the moon travels round the earth once every month.

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He had set out to question views about how life had developed on the earth.________, he had thrown doubt on some people's religious beliefs.

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He had to clench his teeth ________ himself ________ shouting with delight.

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Go and ________.

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A．get your watch repair

B．get your watch repaired

C．get your watch to repair

D．get your watch to be repaired

Don't use words, expressions, or phrases ________ only to people with specific knowledge.

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A．being known

B．having been known

C．to be known

D．known

Since the discovery of penicillin, millions of lives ________ with it.

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Does your car battery ________ easily?

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Plastic and rubber ________ electricity.

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________ down our street any day, and you'll see kids playing football.

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