There was a river with a small town on either side of it. The towns were linked by a bridge.One day,
【題組】56. The four scientists discovered that the level of the element contained in the lava could tel
【題組】59. The writer suggests that when talking to others,the speaker should ______.(A) know that list
【題組】60. By Train the editor in your head,the speakers are advised _______.(A) to get themselves trai