When I got home, the clock was _______ seven.

A good idea was ______ by the local government that all the ancient paintings in the ruined temples should be protected right now.

In order not to be _________, I spoke in a man’s voice on the phone.

How dirty the floor is! You should have someone _____ it at least twice a day.

 Jane likes collecting stamps very much. In fact, her interest in it ___back to her school days.