lt's good to help old people cross the road.对lt's good to help old people cross the road.
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lt''sgoodtohelpoldpeoplecrosstheroad.对lt''sgoodtohelpoldpeoplecrosstheroad.lt''sgoodtohelpoldpeoplecros
lt's good to help old people cross the road.对lt's good to help old people cross the road.
lt's good to help old people cross the road.对
lt's good to help old people cross the road.
lt's good to help old people cross the road.对lt's good to help old people cross the road.
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