56. （ ）

(单选题)We should always keep it in mind that ______ selfish we are, (单选题)I prefer ______ second girl who speaks ______ clearly and sm (单选题)The last paragraph is mainly talking about Chinese responsib (单选题)Liangzhu is chosen for the world heritage site because it sh (单选题)The migratory bird sanctuaries protect birds by providing fo (单选题)The migratory bird sanctuaries is the first China’s world na (单选题)Cleric, an educated French man, had a great influence on Ame (单选题)On their trip from Paris to America Clerc and Gallaudet foun (单选题)Clerc married Eliza in order to get his Green Card. ( ) (单选题)Thomas Hopkins Gallaudet sail to London to finish his studie