- Mum, can I help you with the cleaning? - Thank you, dear. But you are _______ now. You must wait until you are _______.A.too young; too oldB.too young; enough oldC.so young; enough oldD.too young; old enough
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D解析此题重点考查两个副词too和enough的用法。前者放在被修饰词的前面，后者放在被修饰词的后面。