If u want a answer in native Chinese. There are several ways to ask the questions above. 1. "Which kind of fruit is the freshest?" -请问哪种是最新鲜的水果？ -请问最新鲜的水果在哪儿？ -最新鲜的水果是哪个？ 2."Which kind of fruit is the sweetest?" -哪种是最甜的水果？ -最甜的水果是哪种？ -哪种水果最甜？ Hope it is useful

"Which kind of fruit is the freshest?"=哪种水果是最新鲜的？ "Which kind of fruit is the sweetest?"= 哪种水果最甜？