By the way , is there _______ in today’s newspaper?

1. A.
   nothing new
2. B.
   anything new
3. C.
   new something
4. D.
   new anything

By the time my parents reached home yesterday, I ________ the dinner already.

1. A.
   had cooked
2. B.
   cooked
3. C.
   have cooked
4. D.
   was cooking

By the end of last month, I _____ all the CDs of Justin Bieber.

A. collect　　 B. collected　　 C. have collected　　 D. had collected