American Indians about five percent of the U.S. Population. [ ]A. fill up B. bri After more than ten minutes' break, the speaker the story from where he left off -Are you angry? -Yes. He should at least answer when . [ ]A. speaking B. spoken Our son doesn't know what to at the university; he can't make up his mind about The more one is the English-speaking environment, the better he or she will lear Many of the things that thought useless man today. [ ]A. used to be; used to ser Rather than on a crowded bus, he always prefers a bicycle. [ ]A. ride; ride B. r Why not your new ideas? Otherwise you will never know whether they are possible The town came into as we turned the corner. [ ]A. being B. use C. fashion D. sig