___ of us knows the reason why winter is colder than summer.
  A. Every one         B. Everyone         C. Someone         D. All

 She was left alone, with ___ to look after her.
  A. someone         B. anyone         C. not one         D. no one

 I’d rather ride a bike as bike riding has ____ of the trouble of taking buses.
  A. much         B. all         C. neither         D. none

 --- How many elephants did you see?       --- ________.
  A. None         B. No one         C. Not many ones         D. No many

 Is this skirt ___ she likes best?
  A. one         B. that         C. the one         D. which

 -- I dislike ____ when others laugh at me in public or speak ill of me behind.
  -- So do I.
  A. them         B. those         C. it         D. that

 --- Have you a color TV?    --- Yes, I have a good ___.
  A. it         B. one         C. that         D. ones

 --- I feel a bit hungry?     --- Why don’t you have ___ bread?
  A. any         B. little         C. some         D. a

 -- Are you going to buy the blue shoes?
  -- No, I like ___ red ones over there.
  A. these         B. those         C. this         D. their

 ___ is ___ family that the villagers all admire it.
  A. It, such an united    B. His, such a united   C. Her’s, so united a   D. Theirs, so an united