5. Tom lives on the farm, _______is run by his grandpa.
6. Tom lives on the farm,_______I visited last week.
7.Tom lives on the farm,_______his grandpa keeps pigs and cows.
8. Tom lives on the farm,_______pigs and cows are kept
9. Tom lives on the farm, _______I stayed last week.
10. Tom lives on the farm, ______a fire happened last ngiht.
实在搞不清楚什么是什么,该怎么填?