he has worked as a teacher months ago改为he ( )to work as a teacher mongths ago

he has worked as a teacher for only two weeks .he has little e ____ I don't remember where _in that city when he was young.A.did he work B.he worked C.he has workedD.has he worked he has worked as a teacher months ago改为he ( )to work as a teacher mongths ago John　has　worked　as　a　sales　manager　since　he　（join）____this　company　in　2002. he has worked as a report since 2000,根据since 2000提问? _______ at his paper over the weekend,Neil didn’t finish it.A.As he worked hardB.Hard as he worked C.How he worked hard D.How hard he worked He works as a teacher now,but he ___ on a farm for 3 years.A.worked B.has worked C.had worked D.woHe works as a teacher now,but he ___ on a farm for 3 years.A.worked B.has worked C.had worked D.wokes答案给的是A,但是为什么不能选C过去完 ________at his model plane over the weekend,he didn't complete it.请问选哪个?为什么?详解,A as he worked hard B hard as he worked C how he wored hard D how hard he worked He (s ) as a waiter in that restaurant .He has worked there for two years.填入s开头的单词 He;s worked in this factory for many years ------ he?A.has B.hasn't C.is D.isn't ____ that time he has worked as a translator.A since B by C before D at选什么 为什么 I don't remember where_in that city when he was young.A he has worked Bhe worked为什么B不A呢! Mr.white works as a journalist at present,but he ___in a high school for several yearsA.has worked B.worked C,had worked D.has been working 请详细说明为什么 john has worked as a sales manager since he (join)_joined____this company in 2002答案是joined 为什么呢 He has worked as a reporter since 2000（划线提问）划线since 2000_____ ______ _____ he _____ as a reporter. He works as a teather now,but he__on a farm for three years .A.worked.B.has worked 请回答选A还是...He works as a teather now,but he__on a farm for three years .A.worked.B.has worked 请回答选A还是B并解释一下为什么 ___ then,my mom has worked as a teacher. After g( ),he worked as a clerk in a company