Onceayear,peopletakepartin"______Lights"
问题:
Once a year, people take part in " ______ Lights" activity to help save energy. [ ]
A. Show off
B. Turn off
C. Take off
D. Put off
Once a year, people take part in " ______ Lights" activity to help save energy. [ ]
A. Show off
B. Turn off
C. Take off
D. Put off