Dear teachers,<br/>Could you possibly correct the following sentences below?<br/><br/>A is a poor sixth grade student.He did not pass the final exam, so he is not allowed to move (on ) to higher class<br/><br/>A is a poor sixth grade student.He did not pass the final exam, so he is not allowed to move (on ) to /move up to the seventh grade.<br/><br/>A is a poor sixth grade student.He did not pass the final exam, so he is not allowed to come up higher class<br/><br/>A is a poor sixth grade student.He did not pass the final exam, so he had to stay in the sixth grade<br/><br/>A is a poor sixth grade student.He did not pass the final exam, so he had to repeat his class.<br/><br/>Thank you in advance