look at a ...... on the internet
look at a website on the internet
watch a ...... ( or a DVD)
watch a film ( or a DVD)
listen to ...... ( or a CD)
listen to music ( or a CD)
do your ......
do your homework
go for a .... on your bike
go for a ride on your bike
go ......
go shopping
go for a ......
go for a swim
go for a ......
go for a walk
go for a ......
go for a drive