试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津版（深圳•广州）2017-2018学年初中英语七年级下册Module 2 Man's best friends Unit 4 Save the trees. 综合复习
—Yes. They can ________ harmful gases from the air.
— OK, I won't.
—I saw him ______ in the garden just now and I told him _____.
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