If you want to have a hot bath, you should pay ________ money.—- You mean the fee of hot baths is not ________ in the hotel price?

Do you have plenty of friends in your school?

Lily is ______ active girl and she is fond of playing ______ volleyball.

What would you do if _________ eighty-year-old man fell down in front of you? —-I don’t know. Maybe I will help him.

Your paintings are so great, David! When did you learn ______?—Three years ago.