1. My pain _ apparent the moment I walked into the room, for the first man I met asked sympathetically: Are you feeling all right?A. must be B. must have been C. had been D. had to be2. It is only when you nearly lose someone _ fully conscious of how much you value him.A. do you become B. then you become C. that you become D. have you become3. Just as the soil is a part of the earth, _ the atmosphere.A. as it is B. so is C. the same as D. and so is4. While driving along th
