[音频]1. Michael thinks we should save water because _______.
A. we are running short of it
B. water is the most important resource
C. water is heavily polluted
2. Michael thinks we can save water by _______.
A. stopping water pollution
B. controlling water supply
C. using less water
3. Li Ting thinks we can do something to ___________.
A. reduce air pollution
B. make our earth clean
C. reduce water pollution
4. Li Ting and Michael _______.
A. agree with each other
B. disagree with each other
C. argue a lot
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