Last year a number of trees ______________ (cut) down.
举一反三
- These trees are green. Don't ______. A: cut down it B: cut it down C: cut down them D: cut them down
- _______ trees here are cut down in the forests every year.
- In order to protect trees, we should not cut down trees for __________________ chopsticks. A: once B: throwaway
- Today _____ trees are still being cut down somewhere in the world.
- 35.The trees cut down are counted as income but no subtraction is made for______ the forests.