We should turn off the lights when we are _______ with them. ( )
选项:
dealingending
C:through busy
发布时间:2024-06-04 19:23:34
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The room.
选项: A:save
B:waste
C:use
D:keep
—How can we save electricity in daily life? —By ________ the lights when we leave a room, for example.
选项: A:turning off
B:putting off
C:taking off