his financial problems , his wife also left him , which made him very depressed .
The banker was found in a remote village after ______ his office last Thursday.
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.