语法与词汇 20.I hope that you'll be more careful in typing the letter. Don't______anything.
【正确答案】 C
【答案解析】A项lack意为“缺乏，缺少”；B项withdraw意为“退出，撤出，收回，提取”；C项omit意为“省略，遗漏”；D项leak意为“(房顶、管子)漏水，漏气”。