It’s required that the students__ mobile phones in their school, so seldom _ them using one.
After having gone far, George did not want to turn back.
I’ll probably see you on Sunday; , it will be on Monday.
She is so ______ that no one can ever persuade her.
It is not_______ for me to return all the books to the library now because I still need them.
Yesterday our head teacher made such an speech that we all felt .