Do you mind telling us something about this area?— Not at all. ________ of the land in this area _________ covered with trees and grass.

_____are the Olympic Games held, do you know? —Every four years. [ ]

He is so addicted to smoking that ______ seems to be no chance of talking him into quitting.

He is one of the students who, I am sure, always do ____ best.

______ go walking with us after supper this evening? — Great! I have nothing important to do.