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—Whatdoyouwanttobe

練習題2.49W

問題詳情:

—Whatdoyouwanttobe

—What do you want to be ________ you grow up?

—A scientist. So I'm studying math hard.

A.when  B.before  C.although  D.because

【回答】

A 

知識點:連詞

題型:選擇題