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

发布时间:2020-08-21 10:51:45

His father is      engineer and he works      research.
A. an, on
B. an, with
C. the , on
D. a, with

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(答案→)A. an, on
B. an, with
C. the , on
D. a, with
解析: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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