题目内容
(题文)The old man used to ________ in a big city, but now he is used to ________ in the countryside.
A. live; live B. living; living C. live; living D. living; live
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题目内容
(题文)The old man used to ________ in a big city, but now he is used to ________ in the countryside.
A. live; live B. living; living C. live; living D. living; live