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）2019-2020学年初中英语七年级上册 Unit 5自主检测
—Oh, that's a long time. Don't watch too much TV.
— Many friends come to say goodbye and it's hard to _________.
—People near the lake didn't allow them to________ a factory so as not to pollute the water.
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