Question

In thousands of cities and towns, lights        for Earth Hour Movement on March 29 this year.
A. stayed up          
B. went out               
C. tried on

Answer 1

B

试题分析：stayed up熬夜，不睡觉；went out出去，熄灭；tried on试穿，尝试。句意：今年三月二十九日，在成千上万的城镇中，为了响应地球一小时活动，所有的灯都熄灭了。故选B。