Paul works in a power plant.It__two months since he_a college studentA.is,was B.is,becameC.was,was D.had been,became答案应该选A,为什么?请说明原因,

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Paul works in a power plant.It____two months since he___a college studentA.is,was B.is,becameC.was,was D.had been,became答案应该选A,为什么?请说明原因,
Paul works in a power plant.It____two months since he___a college student
A.is,was B.is,became
C.was,was D.had been,became
答案应该选A,为什么?请说明原因,

Paul works in a power plant.It____two months since he___a college studentA.is,was B.is,becameC.was,was D.had been,became答案应该选A,为什么?请说明原因,
因为前面是works,因此是现在经常性或习惯性的动作或状态,符合一般现在是定义,而且陈述一般事实,因此第一个空是is,又因为since后面跟一般过去时,因此是was.而become也可以代替be动词,一般来讲某种职业或---学生前面be动词比较常用写,所以最佳就选a了,明白了吗?再说,如果用过去完成时就表示过去的过去,而这里并不是表示此意,前面动词加了S,为一般现在时,所以D显然不对

Paul works in a power plant. It has been two months since he became a college student.
Paul 现在一家供电厂工作。他成为一个大学生已经有两个月了，
（一楼译的不准确）。
有 since 做从句的，它的主句一定是完成时。只有D是完成时。

这道题比较口语化，意为：Pual在一家动力厂工作，那是在他大学毕业后两个月。也可以将前后位置换一换，翻译更通顺。
是口语句，也表示真正发生了此事，所以用is，since后是过去的事用过去时，再选项里是最佳答案

Paul works at a post office as a________.A)teacher B) cook C) doctor D) postman he works in a factory Miss White works in a Tom and Paul _____ very hard. A: work B: works 选哪个,为什么,谢谢 Paul works in a power plant.It ___ two months since he ___ a college student .A.is ; was B.is ; became C.was ;was D.had been ; became为什么? Paul works in a power plant.It____two months since he___a college studentA.is,was B.is,becameC.was,was D.had been,became答案应该选A,为什么?请说明原因, a h_____ works in a TV station, a waitress works in a restaurant. Paul does not have to be made____.He always works hard A.learn B.to learn C.learned D.learning 英语翻译My uncle WorKs in a supermarket()()() She works in a car factory.问句 She works (in) a school.还是(at) Does she works in a school? she works in a factory是什么时态 She works in a car company是什么意思? My sister works in a h____【填空】 car she a company works in造句 My aunt works in a big c____