摘要：1775] writer, she is excellent, teacher she is not very good. [译文] 作为一个作家.她是优秀的,但作为一名教师.她就不是很好的了. A. As; but as B. As; and as C. As a ; but as a D. As a; and as a [答案及简析] C. writer 和teacher都是可数名词.单数要加冠词a.

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