【正文】
_____. We must ________________________. We must ___________________________________. If we _____________________, we ____________. take better care of our water use…technology… to solve the problem. work …and share… … careful … Argument 2:___________________________. Problem:______________________________ _______________________________________. Solutions: __________________________________________. __________________________________________. __________________________________________ __________________________________________. ____________________________________________________________________________________. We must stop polluting our water …polluting …at an alarming pace. …pollute the air and the water ① … change the way… ② …not drive… ③ …try not to …more than what is absolutely necessary