Yes.
It's "allowed" in the sense that there's not actually a law forbidding it. A good teacher would not do so on a routine basis, since it's very frustrating to students, but once in a while it might be justified.
You're trying to get us to say you have a bad teacher, is that it? Unfortunately, the question is pretty much unanswerable without knowing what the circumstances and history of the situation is. No luck here for you today.
You can't your teacher has to do it for you.
You can't just delete it. You have to have a "Help" sign on it or it may say "Needs assistance." thats when the student can delete. Only the teacher can delete assignments if they need or want to.
To politely ask a teacher to grade an assignment, you can say something like, "Could you please let me know when you will be able to grade my assignment?"
name date (for school) teacher, class assignment
You can politely ask a teacher to grade a late assignment by sending them a respectful email or speaking to them in person, explaining the situation and requesting feedback on the assignment.
if your teacher gives you a textbook or an assignment
The teacher can give those students failing grades for that assignment.
No, using 'he' as a common gender noun is not only inappropriate, it is poor grammar. If the gender is unknown, some appropriate ways to overcome the problem is: When the teacher gave you the assignment, what did he or she say? When the teacher gave you the assignment, what did the teacher say? When the teacher gave you the assignment, what did they say?
You can't
Your teacher can tell that if you are being active in your work and putting all your effort in it