In order to save the energy, we should ________ lights in time if we don’t need them.
句意：为了节约能源，在我们不需要用灯时，应当及时把他们_____。turn up调大，通常指声音等；turn down调小；turn off关闭；turn on打开。根据句意可知，此处是指关掉灯。故选C。
In order to save the energy, we should ________ lights in time if we don’t need them.
—Why does your room look so small?
—Because the bed_______too much space.
—Hurry up! I’m afraid we will miss the plane.
—Don’t worry! The plane will not _____ until 12 o’clock.
We will never _______ our dream until it comes true one day.
More expressways ________ in Sichuan soon to promote the local economy.
Time magazine has chosen “The Guardians”，a group of journalists who________ for their work, as Person of the Year, for taking great risks in pursuit of greater truths.
This company ________ roundly by unionists and social justice groups when it fired a number of workers for no reason a decade ago.
This is one of the highest buildings that ________ in our city recently.
We won’t start the work until all the preparations ________.
Don’t worry. The hard work that you do now ________ later in life.
