( ) Mrs. Sun is a friend of _______.
A. Mary's mother B. mother of Mary C. 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