1樓：匿名使用者
寶貝，很高興為你解答！
以下兩種皆可。
i am wang yue who is chairman of the students' union of xinhua middle school.
i am chairman of the students' union of xinhua middle school whose name is wang yue.
如果不用定語從句，可以說
i am wang yue，chairman of the students『 union of xinhua middle school
注意：官銜名詞前不加冠詞喲！……
還要注意專有名詞的大小寫。
希望對你有所幫助。祝你學習進步、快樂！
2樓：澹泊且明志
i am wang yue who is the chairman of xinhua high school union.
3樓：匿名使用者
i'm wang yue,who's the chairman of student union in xinhua middle school.