Ex.19
1- false, 2 - true, 3- false, 4- true, 5 - true, 6 - false, 7 - false, 8-true, 9 - false
ex.20
2. She started to float in the air.
3. The dress was magic.
4. She saw people on boats below. She waved to the whales and dolphins. She greeted animals and people.