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题型：单词拼写（单句） 题类：常考题 难易度：普通
北师大版英语九年级全册 Unit 6 Role Models. Lesson 17 People in Our Lives.同步练习
—I'm trying to keep my cool because we've been together ________ three years．
—But Maths is very useful. It's silly you to drop it.
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