In many countries, colors _______ express feelings and enliven language.

The text is so easy for us, There are _____new words in it.

__________ I smoke here–– No, you __________.

didn’t you go fishing with your friendsyesterday— Well, fishing is an activity which agreat deal of patience, which I don’t have.

Just like fingerprints, each person’s DNA is ________unless he has a twin.