What a student who is senor 3 needs to do is heavy.请问这句话错在哪里?

I mean,a student of English is distinguished from what is called the general reader.what不能用who ---are the student talking----?回答：a policeman.A.what with B.who to C.what at I, who am a student, is 18 years old 中的 is 不应该用 am 吗 I who am a student am a student 不对吗 who's a university student? 英语疑问句用法I have a question who is a student?这句话中,who引导的应该是陈述句语序的疑问句：who a student is?因为 who is a student?不是陈述句语序吧? But..I am a person who is a grade one student in college. I AM A STUDENT,WHO ARE YOU?DO YOU WANT MAKE FRIENDS WITH ME?A STUDENT,WHO ARE YOU?DO YOU WANT MAKE FRIENDS WITH ME? I want to know who is a best student in your class.(改错） i'm a student who is study hard and well 错在哪里 I want to be a model student.What shall I do? Who is a middle school student? I am a student of Grade Nine,I want a pen pal who can speak English very well. what i need si a book who can help 英语翻译I wonder __ he was.A.who B.what What a student who is senor 3 needs to do is heavy.请问这句话错在哪里? What position do you playA.I'm a striker B.I'm a player C.I'm a student I'm one of the student well in English in my class A.who does B.who do C.which do D.who did请解释并翻译 --What do you do?--什么 A.I am Chinese.B.I'm ten.C.I'm a student