-- How do you deal with the homeless people?
-- We have decided on the suitable ways offer them help.
A. on B. with C. to
Many trees and flowers ________ in our school last year，and they made our school a beautiful garden．
| A．plant | B．planted |
| C．have planted | D．were planted |
When I traveled in Thailand , I bought a ring . It __________ silver .
| A．was made in | B．was made by |
| C．was made of | D．was made from |
Judy used to be ____． Now she’s very shy．
| A．quiet | B．outgoing | C．smart | D．on |
Every year, we plant many trees on _______ side of the road to make our city more beautiful.
| A．both | B．all | C．each | D．neither |
If there are ______ trees, the air in our city will be _______ cleaner.
| A．less, more | B．more, more |
| C．more, much | D．much, more |