-What's the green lifestyle like?
-Save_______ energy, and produce _______ pollution.
| A．more ; more | B．less; more |
| C．less ; less | D．more ; less |
-What's the green lifestyle like?
-Save_______ energy, and produce _______ pollution.
| A．more ; more | B．less; more |
| C．less ; less | D．more ; less |
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