◎ 题干
We _____ in this pool when we were young, but now it _____ fish.
A.are used to swim; used to keep
B.are used to swimming; used to keep
C.used to swimming; is used to keep
D.used to swim; is used for keeping
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ We _____ in this pool when we were young, but now it _____ fish. A.are used to swim; used to keepB.are used to swimming; used to keepC.used to swimming; is …”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。