The number of the employees has grown from 1,000 to 1,200. This means it has risen ____20 percent.
If we had taken such effective measures much earlier, the river ________ so seriously now.
George is going to talk about the geography of his country, but I'd rather he ________ more on its culture.
Don't handle the vase as if it ________ made of steel.
Jack is a great talker. It's high time that he ________ something instead of just talking.
—Where are the children? The dinner's going to be completely ruined. —I wish they______always late.