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–You speak very good Chinese.
--Thanks. I _______ it for 4 years before I came to China.
A. studied B. study C. was studying D. had studied
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–You speak very good Chinese.
--Thanks. I _______ it for 4 years before I came to China.
A. studied B. study C. was studying D. had studied
查看习题详情和答案>>
–You speak very good Chinese.
--Thanks. I _______ it for 4 years before I came to China.
A. studied B. study C. was studying D. had studied
查看习题详情和答案>>