you guy is a good student 对么

you guy is a good student 对么 You is really a good guy. YOU MEET A GOOD GUY you and he ( ) good student.A:is B:are You are a good student. TOM IS A GOOD STUDENT He is a ( )good student What is a good student? a stupidly good guy She is a good student感叹句:( )( )good student! Do you think is she a good student?还是 Do you think she is a He is a good student.这句中表语的是student,还是good student,还是a good