His father is __________ engineer and he works __________ research.A.an, onB.an, withC.the , onD.a,

题目简介

His father is __________ engineer and he works __________ research.A.an, onB.an, withC.the , onD.a,

题目详情

His father is __________ engineer and he works __________ research.
A.an, onB.an, withC.the , onD.a, with
题型:单选题难度:中档来源:不详

答案

A
本题考查冠词及介词。engineer 表示工程师,他的前用an,work on是从事的意思,故选A。句意:他的父亲是名工程师,他从事研究。

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