17.（ ）

(单选题)16.（ ） (单选题)What will the public think of Benenson’ smart pricing? (单选题)Which is the process of carrying out the smart pricing?①Choo (单选题)How does new algorithm work? (单选题)What do we know from the text? (单选题)What can we find in the Russian State Library? (单选题)Which library met with two big losses in history? (单选题)Famous people are helping the anniversary by ______. (单选题)The national parks in the U.S. ______. (单选题)In Jewell’s opinion, parks and open spaces ______.