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Module 4 Unit 2 Thirteen, rourteen, fifteen.数字,eleven,twelve,thirteen,fourteen 14,fifteen 15,sixteen 16,eighteen 18,nineteen 19,twenty 20,Look, think and say.,seven eight nine,teen,seventeen eighteen nineteen,How many 的用法,1.How many 多少个,2.How many 后面的单词要+s或者+es.,How many do you have?,I have ,How many do you have?,How many do you have?,你有多少?,I have ,Wow! How many do you have?,I haveeighteen.,I have fourteen pens.,I have six.,How many pens do they have?,Twenty.,14+6=20,see you,