By the time I got to school,the students were already taking the test .
1.By the time I took a shower,____ ______________________ _.
2.By the time I ate dinner,__ ________________________ ___.
3.When I got on the bus,I saw that __ _________________________ ___.
4.When I walked to school,I realized that ___ _________________________ __.
5.By the time I left the zoo,_____ ____________________________ .
6.I met Jack yeaterday,I _____(not seen) him for three years.
7.The little boy said that he ______ never _______ (see) such a horrible dog.
8.They ________ (start) the before she got to the playground.