In order to protect trees, we should not cut down trees for __________________ chopsticks.
A: once
B: throwaway
A: once
B: throwaway
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
- The purpose of the passage is to tell ______. A: that people should protect trees B: that people should plant more trees C: what trees can be used for D: what kinds of trees look beautiful
- _______ trees here are cut down in the forests every year.
- 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.