He joined the party in 1999.(同义句转换）

My uncle __the Party in 1978.He for over 19 years.a joined;has been a Party member b.joined;has joined the Party c.has joined;has been the Party d.has joined;has been in the Party He joined the party in 1999.(同义句转换） 10.He joined the party five years ago(改为现在完成时） He ____ _____ _____ the party _____ _____ __ he joined the party in 2002.改成he------ -------- a -------- --------for two years.怎么改? He () the Party since 1977 A.joined B.has joined C.has been in 单选及原因 一道初三的句型转换题,He joined the party two years ago.Mr Lin joined the party two years ago.（合并成一句）___ ___he___ ___ Mr Lin joined the party two years ago. 20.it was twenty years ago ______ he joined the party.A)asB)whenC)sinceD)that since,the,is,he,ten,Party,joined,years,it (连词成句) 连词成句since,the,is,he,ten,party,joined,years,in（.） He has joined the party thirty years ago.其中,has ,joined party,thirty years ago分别为ABCjoin不是瞬间动词吗，怎么一个回答也不提。 when he was in his thirties,he joined the Party.为什么填join啊 而不是 take part in 造同义句He joined the Party five years ago.例：He has been in the Party for five years.有多少造多少, He joined the Party one year ago.（用since one year ago改写句子） He （ ）（ ）（ ）the Party . His father ______ the Party since 1978 .　　A.joined B.has joined C.was in D.has been inHe _____ the Army by the end of 1992.He ____ in the army since then.A.joined…is B.has joined…has beenC.had joined…is D.has joined… has been为什么第 同义句,仿写例句:He joined the party a year ago.He has___ ___ ___ ___the party for a year ago. his mother()the party last year.she()a party member for a yearA.joined,wasB.has joined,isC.joined,has beenD.has joined,has been He __ the party since the first year he entered college in 2005.A.has joined B.joined C.has been in这道题为什么不能选A?..我觉得A.C都行,但为什么不可以是A 改为反意疑问句：Few people joined in the party.