. —What do you think we can do for our aged parents?—You __________ do anything except to be with them and be yourself.
When his father came into his room, Tom pretended _______ a book.
Martin was sick with a strange fever; _______, he could neither eat nor sleep.
The company will be left in the _______ of the secretary when the manager is away.
It was last night_______ Mr. Brown came back to his hometown from Africa.
To be an excellent runner, you must be prepared to _______ much hard work.