Question

【题目】We should save energy by _________ the lights when we leave a room.
A.getting off
B.showing off
C.taking off
D.turning off

Answer 1

【答案】D
【解析】句意：我们应该通过离开房间时关灯来节能。get off下车；show off炫耀；take off起飞；turn off关上；根据save energy可知要节能，应在离开房间时关灯，turn off the lights关灯，故选D。