Food safety is ______ important, so the government spares no efforts to prevent food pollution.
You might wonder how this kind of animal ____ to live without eating for so many months.
—What about your English test? —I ____ the written papers but failed the oral test.
Traffic was ____ for several hours by the accident.
You say your home is in the south. Can you be a little more ____?
Please make sure that this room is ____ when the visitors arrive.