My pen is missing. I can’t find it anywhere.—I’m afraid you have to buy _________.

Alice is fond of playing _______ piano while Tom is interested in listening to_____ music.

Have you ever been to Shanghai?— Yes. I there with my father last year.

Mum, will you buy me the new iPad after the Entrance Examination?— I’m afraid I ________, dear. We are short of money now.

How much do you need ______ that bike?