The factory used 65 percent of the raw materials, the rest of which _______ saved for other purpose.

 Mom used only half of the money, the rest of which ______ saved for other purposes.

 Every possible means ________ to prevent the air pollution，but the sky is still not very clear.

The sick       cured and the lost       found.

下列每组字母中不含元音字母的是　　　　　组。