【正文】
詞 ________,表示過(guò)去的動(dòng)作或狀態(tài),只能用于 ____________時(shí),不能用于現(xiàn)在時(shí)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(lái)做某事 ”,是被動(dòng)語(yǔ)態(tài),不定式表目的 Knives are used to cut things. 刀子是用來(lái)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(yù)習(xí) 課堂互動(dòng)探究 Unit 3 Animals Are Our Friends 課前自主預(yù)習(xí) 單詞闖關(guān) ;友誼 ________ 2. skin________ 3.警告;提醒 ________ 4. insect________ 5.關(guān)系;關(guān)聯(lián) ________ 皮;皮膚 friendship warn 昆蟲(chóng) relationship Lesson 18 Friendship Between Animals 課前自主預(yù)習(xí) 單詞闖關(guān) 7. hippo________ 8. tortoise______