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根据句意及括号内所给单词提示,完成句子。 1. Don't be (worry) about it. 2. —What are they over there? —They are ____(mouse). 3. —What can I do for you, madam? —I want three ____(kilo) of sugar. 4. I need ____(buy) some books. 5. —How many ____(bottle) do you want? —Four.