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I. Điền từ thích hợp vào chỗ trống ; Usefulness, biology, math, world, gymnaster, subjects, poems, physics, English, literature.Students in grade 7 have twelve................... at school. Some like studying math while others are fond of............ . They learn how to do........ problems or how to read stories and ................ in these classes. Some enjoy learning geography because they can know more about the.......................... Computer science helps them to use a computer while in...
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