Cooking calls for ________ patience and time but it is ________ enjoyable experience.

With ________ successful launch of the first space lab module Tiangong-1, China’s space dream has taken ________ step closer to reality.

Suddenly ___ fire broke out in his house and the neighbours immediately, tried to put out ___ fire.

 Everything comes with _____ price; there is no such ____ thing as a free lunch in the world.

 —I find it very difficult to read ________ novel you lent me last week.—Yes.It's necessary to have ________ good knowledge of history.