C
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Therearesomanypeopleintheshop.Youmust________yourthings.
—Howmanycomputers_____inyourclassroom?
—Therearetwo.
he(物主代词)__________
计算9.6÷1.92时，要先把1.92的小数点向________移动________位，原式转化为________÷192
()_____youseetheblackboard?
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