－Two hundred yuan for such a T-shirt! You ______ be joking!－I’m not joking . It’s made of silk.

These books______very interesting. Many children like reading them.

I _____thank you too much for all your help to my son while we were away from home.

—Do you think the rain will affect the football match?—The players are used to such rainy weather, so it ______ make any difference to them.

－Why are you looking so worried? Is there anything I can do for you?－The computer        break down when I nearly finished my composition.