题文
This washing machine is environmentally _______ because it uses less water and electricity than older models.
| A．friendly |
| B．various |
| C．common |
| D．changeable |
推荐试卷
This washing machine is environmentally _______ because it uses less water and electricity than older models.
| A．friendly |
| B．various |
| C．common |
| D．changeable |
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