I didn’t quite follow him because he explained the theory _____that is too abstract for me.
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.