三年级英语上册 Unit 6 I have fifty markers Lesson 21 习题 北

1EvaluationWarning:ThedocumentwascreatedwithSpire.Docfor.NET.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=?___________________________________________________3.Doyouknowthemissingnumber?___________________________________________________4.Themissingnumberistwenty.___________________________________________________2参考答案：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.你知道空缺的数字吗？4.空缺的数字是20.