bcabdadbcda\rexercise three: dabdcacbdaaadac\rexercise four: baddcabcdbcaabc\rexercise five: bacdbadcbbddbaa\rexercise six: dacccdbabdbcabd\r第五项 ：\rexercise one: the; which; correct; of; been;\rexercise two: for; that; correct; you; to; .\rexercise three: a; of; in; too; co订ect;\rexercise four: be; correct; that; the; too;\rexercise five: correct; it; for; correct; to;\rexercise six: there; correct; are; correct; to;\rexercise seven: with; for; being; much; an; correct; to; correct;\rend; more;\rexercise eight: correct; from; been; correct; correct; who; will;\rwith; an; in\rexercise nine: for; as; in; been; back; a; are; an; correct; own\rexercise ten: it; correct; which; so; correct; that; for; rather; th\rough; any;
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