Wang hua joined the army in 2003.将过去时改为现在完成时 我就是想问一下 现在完成时中的in是否需要改为其他词,例如：since...

Wang hua joined the army in 2003.将过去时改为现在完成时 我就是想问一下 现在完成时中的in是否需要改为其他词,例如：since... This is the students whose name is Wang Hua.whose 是主语the students 的关系代词吗?Wang Hua是作表语吗? wang shang zenmecha dian hua qing dan joined the army什么意思? Brand joined the United 100? Brand joined the supermarket chain? Wang Hua sits ()Jim's left.A on B at C in D to ,是不是选C,因为这个句子就是用的in：his good friend sits in the right of the classroom, 英语翻译Wang Hui has been joined as the junior technician of engineering team from July.2010; he has good leadership of the working arrangements,independent problem solving ability at work and strong sense of responsibility.When we finished LED l 根据下面方框中便条设定的语境填空,每空一词.Dear Miss Zhou,I'm Wang Li,Wei Hua's mother．I'm sorry to（89）____you Wei Hua can't go to school today．He hurt badly in an accident on the way（90）____school this morning．He is 英语作文评析（七年级水平） 正文如下 Today,it was a sunny day.Wang Hua went to the Central Park.There are many people are rowing boats in the lake.Suddenly,a small girl few down in the water.Wang Ming didn’t know how to swim,but he Henry joined the football club last he joined the army last year It is 3 years_____he joined the army. 1.Zhang Hua is 25 years old.Zhang Hua is _________ _________ man.2.Zhang Hua helped the old man Hans ( ) the army for nearly six years.A.has joined B.has been in C.has joined in D.joined It is three years since he joined the army.为什么是用joined而不是用have joined He ________ the army for ten years.A.has joined B.has joined in C.joined D.has been in The book is Li Hua‘s.对Li Hua’s提问