Anyone ________ has a dog as a pet will tell you ________ a dog means to a family.

The time he has devoted in the past ten years_________thedisabled is nowconsidered__________ of great value.

I feel it is you who ________ for theaccident

In the past I often wrote _____ my parents about my study at school, but now I e-mail them ____ rita@sunshinetown.com.cn or call them ______ 5551 6789 .

I’m so ______ to all those volunteers because they helped my terrible day end happily.