The theory wasn’t accepted by many people when it was first ____, but it proved to be true as time went by.
—_________for the glass! — It’s OK. I’m wearing shoes.
Playing tricks on others is_________we should never do.
.he made up his mind, nothing could change it.
Her parents wouldn’t let her marry anyone _____ family was poor.
___________of last term we ___________ over two thousand new words.