题目内容
--- Mum, may I go out and play?
--- Yes, but you must finish your homework ______.
[ ]
A. first B. the first C. at first D. at the first
答案:A
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题目内容
--- Mum, may I go out and play?
--- Yes, but you must finish your homework ______.
[ ]
A. first B. the first C. at first D. at the first