Earth Day
__1. Earth day is onA. throw away your trash
__2. Even in the desert, __________B. April 21
__3. It's our job to __________C. polluted
__4. To save water you __________D. brushing our teeth
__5. Trees help ____________E. recycle
__6. We need _____landF. clean the air
__7. We use water for ________G. take care of the earth
__8. When the air is dirty it isH. clean
__9. You can help the earth byI. turn it off when you are washing hands
__10. You should ____your trashJ. plants need water
参加了这次测试的学生也参加了 :

创建 That Quiz — 一个点击即可进行数学练习测试.