. In the last rinsing water, I add a water (soften) softener because we have hard water.
2. The workers protested (loud) loudly against the new measures.
3. When you buy new clothes, it is a good idea to make sure that they are (wash) washable. Otherwise you will have to have them dry-cleaned.
4. In a sport or game, the (refer) referee must take care to stay out of the way of the players.
5. Tom is stupid and what he is doing is (point) pointless !
6. I'm (thank) thankful to my parents for what they have done for me.
7. A white walking stick means you suffer from (blind) lindness.