what Grande are you in 那里错了 How old is she? she is thirteen year old 这拿错了 is mr. lee youris mr. lee your teacher? yes,she is 这也拿错了啊Are you Jane ?yes，l am 这拿错了啊

Which Grade are you in?
She is thirteen years old.
Is Mr. Lee your teacher?
Yes, he is.

Mr.不是男士吗？回答怎么成女的了？

what Grande are you in 应该改为 What grade are you in?
How old is she? she is thirteen year old 应该改为：How old is she? she is thirteen years old
is mr. lee your teacher? 应该改为：Is Mrs. lee your teacher?

Which grade are you in? 你在哪个年级？
How old is she? She is thirteen years old. year要加s
Is Mr. Lee your teacher? Yes，he is. Mr.表男的 Mrs表女的
Are you Jane ?Yes，l am.没有问题

修改如下
what Grade are you in
How old is she?she is thirteen years old
is Mr.lee your teacher?
yes,he is