He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on.

This event was rather unusual, ________?

He stopped his friends, beginning his story____, declaring his innocence(清白) [ ]

We are working to raise money for the local homeless shelters. _______ , we are collecting clothing to offer those in need.

I shall never forget those years ________I lived inthe country with farmers， ________has a great effect on mylife.