— ________ are they doing?
—They are playing computer games.
A．Who B．what C．What
( )Mrs. Sun is a friend of ______
A. Mary's motherB. mother of MaryC. Mary 's mother's
( ) —— I'm sorry I can't help you. —— ________.
A. Not at all. B. You are welcome.C. It doesn't matter.
( ) I want to buy ________.
A. something eat B. something to eat C. anything to eat
( ) —— I don't like milk. —— I don't, _________.
A. too B. neither C. either
( )——_____ will you do? ——I’ll play football.
A. What B. When C. Where