-----________did your uncle leave his home town ? ----He ___________for nearly twenty years.
One fifth of the work _______ by computer last year.
This is the very thing ______ belongs _____.
She kept on _______ until midnight though he was tired.
The program is _______ interesting _______ I want to see it again.
People in Shenzhen are proud of what they have _______ in the past thirsty years.