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8 Friendship Between Animals [辨析 ] used to do sth., be used to doing be used to do sth. 詞條 含義及用法 例句 used to do sth. 意為 “過(guò)去常常做某事 ”,只用于過(guò)去時(shí)態(tài) He used to get up 過(guò)去常常早早起床。 walking A Lesson 18 Friendship Between Animals 課文回顧 Friendship Between Animals The rhino always small bird, an egret, its back. The egret helps the rhino by cleaning its skin .It also makes noise to the the rhino danger. The rhino helps the egret by insects hiding in the grass. Different animals get together not just to survive, but also for friends can show they care words. Friendship truly has lets sit stay healthy warn about/of get food scaring friendship without boundaries Lesson 18 Friendship Between Animals