John had to start work at an early age, ___

John had to start work at an early age, ____ his family was very poor.

#56957

but

because

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 Be careful with the knife, ______ you’ll be hurt.

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－When did your father come back last night?－He didn’t come back_________ he finished all the work.

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while

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Look! There is a girl __________ the music over there.

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dancing to

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There are no buses,          you’ll have to walk.

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 Although it was very cold,            he went out without an overcoat.

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