UNIT SIX I HAVE FIFTY MARKERS Lesson 21 习题.doc

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1、UNITSIXIHAVEFIFTYMARKERSLesson21习题一、抄写下列单词blackboardseventyeightyninetyhundred二、英汉互译blackboard_______hundred______seventy_______八十________三、补全对话A:What’sfiftyplustwo?B:52.四、翻译下列句子1.What’ssixplustwenty?___________________________________________________2.50+20=?_________________

2、__________________________________3.Doyouknowthemissingnumber?___________________________________________________4.Themissingnumberistwenty.___________________________________________________参考答案：一、略;二、1.黑板2.一百3.七十4.Eighty三、fiftytwo.四、(1)六加二十等于多少？(2)What’sfiftyplustwenty?(3)你知

3、道空缺的数字吗？(4)空缺的数字是20.