with severe drought in some areas,Chinese government is taking active measures to ensure people’s essentialneeds

He used to ________very late, but now he isused to __________early.

If you keep working like this, your health will ________ under the pressure of work sooner or later.[ ]

English is a language shared by several diverse cultures, _________ uses it differently.

What do the letters “DOS” ______？—Disk Operating System.