Fill in the blanks with the expressions given below. Change the forms where necessary. heat up, act like, keep from, as much as , Light 1 a wave, but you cannot see the wave with your eyes. Our library bought many computers last week. Some of them cost 2 $5,000. 3. As an experiment, Tom put the frog in the water which was 3 very slowly because he wanted to see what would happen. 4. They are spending a lot of money rebuilding the roof and the walls of the building to 4 it 5 falling down.