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    It is a beautiful sunny d{#blank#}1{#/blank#}. There isn't a cloud in the sky. Greg w{#blank#}2{#/blank#}to have lunch at once. B{#blank#}3{#/blank#}we decide(决定） to have a swim first. After swimming, we have a picnic lunch u{#blank#}4{#/blank#}the trees. Then we lie in the sun for a while. In the a {#blank#}5{#/blank#} it begins to get cloudy. At four o'clock, we have to go back because it starts to rain.

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