When I got off the crowded bus, I found my pocket _____ and the disk in it with the important documents gone.
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.