David wants to be ________ engineer while Cathy wants to be ________ doctor. A．an; the B．the; the C．...
2022-12-22 09:35:35 68次 2014届浙江省乐清市高二第二次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
David wants to be ________ engineer while Cathy wants
to be ________ doctor.
A．an; the B．the; the C．the; a D．an; a
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