David wants to be ________ engineer while Cathy wants to be ________ doctor.A．an_刷题宝

题干

David wants to be ________ engineer while Cathy wants to be ________ doctor.

A．an; the

B．the; the

C．the; a

D．an; a

上一题下一题 0.64难度单项选择更新时间:2013-03-05 01:40:31

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库