When it’s time to replace old appliances, it’s wise to spend a bit more for an energy-efficient (3) _______ , and be sure that you are taking advantage of (4) _______ settings alre...

Câu hỏi :

When it’s time to replace old appliances, it’s wise to spend a bit more for an energy-efficient (3) _______ , and be sure that you are taking advantage of (4) _______ settings already on your current refrigerator, dishwasher, washing machine, or dryer.