Uzupełnij właściwy przyimek.

Peter has been  --- behind in up out off down  school since Tuesday.

You have to hand  --- behind in up out off down  your homework by Monday.

Just switch off the phone and get  --- behind in up out off down  to work.

If you don't do Engbook every day you will fall  --- behind in up out off down .

With 500 words in Zapamiętywaczek you have quite a lot to catch  --- behind in up out off down .

It was too much information to take  --- behind in up out off down .

Mateusz hasn't turned  --- behind in up out off down  for school yet.

Peter dropped  --- behind in up out off down  of school and now he's unemployed.