—— Have you seen___pen? I left it here this morning.—— Is it___black one? I think I saw it somewhere.
________with fright, a hungry fox hid himself in a small cave, ________his tail to the rain.
________from what he said, he must be the thief who has stolen the car.
________from heart trouble for years, Professor White has to take some medicine with him wherever he goes.
________, the boy couldn't enter his house.
Time________, I can have done it better.