The children went home from the grammar school，with their lessons ____for the day.

It’s quite strange that the man sleeps with his mouth ____ and his eyes _____.

         to looking after her sick mother for two years,she badly needed a holiday.

With a lot of difficult problems_____, the newly-elected Prime Minister will have a hard time.

With so many people ______ in the mine(矿), none of the rescue workers would stop to have a rest.