A smile costs __________, but it gives so much. So we should learn to smile.

My coat costs little. What about ________―_______ is expensive.

Rose is a very humorous girl, and she often ________ us with funny stories and jokes. [ ]

_____ I can see what you mean, even though I don’t share your point of view.

The film not only covers the causes of the war, but also _____ the influence of the frightening killings in detail.