Adjusting your thermostat 2 degrees down in winter and 2 degrees _其他解答

Adjusting your thermostat 2 degrees down in winter and 2 degrees ______ in summer can save a lot of energy.
A.down
B.up
C.off
D.on

人气：316 ℃　时间：2020-03-28 06:15:29

解答

B
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