He looked around and caught a man ________his hand into the pocket of a passenger.
Our government are taking firm measures to make pollution________.
________ deep down in the earth,the dead forests rotted away and became coal.
—What happened to the priceless works of art? —________.
—What happened? —Oh,a bee appeared on Kate’s dress,and her sudden________ of cry scared us.
________our earth,or else it will be no longer fit for us to live on.