题目内容
—Mum, I realize the importance of learning chemistry well, and I will try my best. Believe me.
—If you make a ____ , you must keep it.
A.mistake B.design C.promise D.joke
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题目内容
—Mum, I realize the importance of learning chemistry well, and I will try my best. Believe me.
—If you make a ____ , you must keep it.
A.mistake B.design C.promise D.joke