Question

【题目】

Students are often warned that anyone who leaves the classroom at night must remember to __________ all the lights, or he will be fined.

A. switch off

B. go off

C. take off

D. bring off

Answer 1

【答案】A

【解析】句意：学生们经常被提醒，晚上离开教室一定要记得关掉所有的灯，否则将被罚款。switch off（用开关）关掉；go off爆炸，（电灯）熄灭；take off脱下，起飞，匆匆离开，迅速流行；bring off完成，做完。