问题
选择题
Sleeping with the lights on is a waste. You had better _____ all the lights are off before you go to bed. [ ]
A. make sure
B. look for
C. try out
D. think hard
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Sleeping with the lights on is a waste. You had better _____ all the lights are off before you go to bed. [ ]
A. make sure
B. look for
C. try out
D. think hard
答案：A