Our headmaster insists that every student of our school full use of his time to get ready for the final exams.
In my old school album there are some pictures of some teachers ______ can’t be found in yours.
Now teenagers like to go to the fast food restaurants, ______ eating doesn’t take much time.
For weeks the street hasn't been cleaned by the cleaners, _____ makes it very dirty.
The artist ______ the judge gave a prize is the teacher _____ I have been taught painting for two years.
You were very impolite to him, for ______ you should make an apology to him, I think,