3,跟读课文1部分两遍,掌握单词exercise,并会运用句子whatisexercise?
英语每日一句# regular exercise can make us healthy and keep us
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lesson10exercise课件
【预售 按需印刷】an exercise coloring book
young men athletes practicing exercise characters
free stock photo of ball, court, exercise
义务教育阶段北师大版八年级英语上册ppt:time to exercise.ppt
fat-burning exercises that wont put your knees in distress
exercise science in diabetes, mental health, and osteoporosis