My father has decided to ______ smoking. —-That’s good news for us.

______ classes do you have in the morning?—Four classes.[ ]

Would you like some tea, please? — Yes, I prefer tea sugar. [ ]

What’re you doing, Jack?—I’m looking for some information about famous people ______ I need to make a poster.

The air in the countryside is , so many people from the city drive cars there on weekends.