,(人教新版)四年级英语下册课件,Unit 3 How many classes do you have?,Lesson 16,twenty-one,twenty-three,twenty-two,twenty-five,twenty-four,twenty-six,twenty-seven,twenty-eight,twenty-nine,twelve,eleven,thirty,forty,fifty,student,teacher,music,art,PE,maths,class,ask some questions,May I ask you some questions?,subject,I like Chinese and English.,science,Do you like science?,Yes, I do?,music,art,chant超链接,课文超链接,电子课文超链接,chant超链接,下课了,Good bye,