根据汉语意思完成下列句子,每空一词。(共5小题,每题1分,共5分)布朗是他的姓氏。Brown is his ____ ____.那是一张地图吗?Is that ____ ____?它们是五辆公共汽车。They are ____ ____.让我帮帮你吧。Let ____ ____ you.给你。____ ____ are.
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