Unit 13 Were trying to save the earth! 第一课时 Section A (1a2d) 一、根据句意及首字母或汉语提示完成下列句子。每空一词。 1 Dont throw _(垃圾 ) into the river， Jim. 2 In the north， people used to burn _(煤 ) to keep warm in winter. 3 We would like to visit the building though it looks _( 丑陋的 ). 4 We can clearly see fish swimming at the _of the river. 5 Everyone should stop using _bags to protect our environment. litter coal ugly bottom plastic 二、根据句意 ， 选择方框中的单词并用其适当形式填空。 6 There isnt a _near here.Ill take the rubbish with me. 7 Bu
