The key _________ the string was put into the door tostop the kite _________.

Where is Gary—He _______ in the library.

Carl, are you interested in swimming–Yes, ___ I’m not good at it at all.

The old man has retired from the factory. He _____ there for 30 years.

uld well balance our work and relaxation, and only by doing that, aseverybody would agree , ______ a good state of mind.