【正文】
詞 ________,表示過去的動作或狀態(tài),只能用于 ____________時,不能用于現在時態(tài)。 walk C. driving。 Lesson 18 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 be used to do sth. 意為 “被用來做某事 ”,是被動語態(tài),不定式表目的 Knives are used to cut things. 刀子是用來切東西的。 例如: The police have warned people of possible 。Lesson 18 Friendship Between Animals Unit 3 Animals Are Our Friends Lesson 18 Friendship Between Animals 課前自主預習 課堂互動探究 Unit 3 Animals Are Our Friends 課前自主預習 單詞闖關 ;友誼 ________ 2. skin________ 3.警告;提醒 ________ 4. insect________ 5.關系;關聯(lián) ________ 皮;皮膚 friendship warn 昆蟲 relationship Lesson 18 Friendship Between Animals 課前自主預習 單詞闖關 7. hippo________ 8. tortoise______