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Mr.BlackhasbeenteachingEnglishinamiddleschool

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問題詳情:

Mr.BlackhasbeenteachingEnglishinamiddleschool

Mr. Black has been teaching English in a middle school _____ he came to China.

A. for ever                   B. ever since               C. ever before        D. long before

【回答】

  B

知識點:片語 短語

題型:選擇題

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