______ almost all our time to our schoolwork in the past three months, we have almost no time for fun and play.
I’m sure you will do better in the test because you ______ so hard this year.
You’d be exposed to a lot ______ pollution if you moved to a town with pure water and air.
Some young people these days just ______ go out of their homes to contact the real world.
They produced two reports, ______ of which contained any useful suggestions.
Soon after dinner, Wayne drove off ______ the direction of Paris.