—Is there ____ in your exercise book today?—No, Mom. I did it very carefully.A. something wrong B. wrong something C. anything wrong
— Tom talked with a friend of _______ on the Internet for a long time yesterday.
— Can you play chess? — No, but I can play ________ piano very well.
—Would you like to join us in the game ? — , but I have to help my mum.
— Would you like something to drink? —I’m not thirsty.
—Have you mended your shoes, Bob? —Yes, I _________ them twenty minutes ago .