There was ___ knock on ___ door. I opened it and found __ small dark man in ___ rags.
For a moment nothing happened. Then _____ all shouting together.
_____ two exams to worry about, I have to work really hard this weekend.
Eating too much fat can _____ heart disease and cause high blood pressure.
_____ we can’t get seems better than _____ we have.
Twelve Cubans left the embassy after_____ there for several days.