-- They are quiet, aren’t they? --- Yes. They are accustomed __________ at meals.
—How are you getting along with your studies?—Not very well, ______.
Whenever we’re in ________, we should never lose ______ but try to think of the way out.
Is this factory ______ the foreign investors are going to visit next month?
I couldn’t move my legs. It was ______ they were stuck to the floor.
Can you tell me the name of the school ______ you visited last week?