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 time we rushed to the hall, the party ________ for ten minutes.

By the time she went outside, the bus ____ already ______ .

By the time I got home, Gina and her sister ______ their project already.

By the time I was five, I          learning English.