my uncle has joined the army since 1995这句话语法对吗?为什么不能用has been in?

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 my uncle has joined the army since 1995这句话语法对吗?为什么不能用has been in? my uncle joined the army two years ago（保持原句意思）MY uncle has()()the army for two years My uncle has three____(child) My younger sister ___the Youth League ___2008.1 has joined~in 2 has ioined~since3 joined~since 4 joined~in My uncle has many ducks ____his farm. my uncle told me,l joined the army in 1995.变为间接引语 几道英语选择.能人进来看看.1.The flower on the desk( )the real one.A.look likeB.looks likesC.is likeD.is likes2.My cousin( )the Party for five days.A.has joinedB.has joined inC.has been inD.has been3.My uncle( )his hometown for ten years.A my cousin has an uncle,but he is not my uncle.he is my( ). My uncle said to me.I joined the are my in 1995.直接引语变间接引语 My uncle has a brother.He is not my uncle.Who he is? My uncle has a brother,He is not my uncle.who is he?key:____ My uncle has hamburgers for lunch.改一般疑问句 My uncle Tom has a big nose.改一般疑问句 my uncle has hamburgers fo breakfast改一般疑问句 My uncle has a big house w______ a beautiful garden 看问句写答句Yeah,my uncle has a soccer ball My uncle has a large family to k_