The leader of the factory told us that very little ___ was made of the waste material in the past.
Theteacher asked us _________so much noise.
"Don, t tell the news to him,"she said. —She advised me_________.
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.