---Mr. Wu, I can’t understand everything in class.---Don’t worry! I’ll _______ the main points at the end.
Many trees and flowers ________ in our school last year,and they made our school a beautiful garden.
When I traveled in Thailand , I bought a ring . It __________ silver .
Judy used to be ____. Now she’s very shy.
Every year, we plant many trees on _______ side of the road to make our city more beautiful.
If there are ______ trees, the air in our city will be _______ cleaner.