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 Mankindmustfirstofalleat,drink,haveshelterandclothing

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問題詳情:

 Mankindmustfirstofalleat,drink,haveshelterandclothing

 Mankind must first of all eat, drink, have shelter and clothing ________ it can pursue politics, science, art and religion.

A. until              B. unless

C. before             D. since

【回答】

C

知識點:連詞

題型:選擇題

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