104. Catherine bought a postcard of the place she was visiting, addressed___to ___and then posted it at the nearby post office.
She said,“ Please be careful. Don't knock off the glass of water. ”—She asked me _________knockoff the glass of water.
Knowing her son was out of danger, the mother sighed _________ relief.
The building was completely _________ by fire.
—Why are they _________ the forest? —They are _________ some criminals.
He had his camera ready _________ he saw some-thing that would make a good picture.