The author presents the phenomenon of the comparison by ______.

(单选题)Most sharks feed ______ fish and other animals. (单选题)What do you think ______ him change his mind? (单选题)She ______ a teacher, but now she is a doctor. (单选题)______ the old man spoke, ______ he became. (单选题)Yangzhou High School sounds ______ a good one. But I would l (单选题)Though he live ______, he doesn’t feel ______ because he can (单选题)The building is taller than ______ one around it. (单选题)He must be a doctor, ______? (单选题)He will come to stay with us for ______ next month. (单选题)He talks too much as if he ______ everything.