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You’ve been eating spaghetti.
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You’ve been working out at the gym.
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You’ve been studying for an exam all night.
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You’ve been cooking dinner.
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You’ve been driving a bus.
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You’ve been doing your homework in the library.
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You’ve been playing badminton at the sports centre.
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You’ve been painting your house.
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You’ve been riding on a roller coaster.
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You’ve been watching a 3D film.
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You’ve been flying a kite in the park.
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You’ve been shopping for shoes at the mall.
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You’ve been doing the housework.
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You’ve been dancing in the rain.
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You’ve been singing in the shower.
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You’ve been sunbathing on the beach.