The cigarette end thrown away by a careless farmer __________ the big fire and caused a great loss to them.
Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
______ surprised the hostess most is _______ one of her friends left the party without saying a word.
The arrival of the European settlers had a greaton the life of the Native Americans.
I prefer studying English at home ______the match
I still remember the house _____my mother and I used to stay in that evening.