-est / most ~
Mt. Jade is the highest mountain in Taiwan. 玉山是台湾第一高山。
New York is the largest city in the world. 纽约是世界第一大城。
Cheryl was the most charming of all the girls at the party.
Mr. Collins is the oldest member of the square dancing club.
Of the five boys, Eric is dressed most/least formally.
Of the five girls, Melinda is dressed most prettily.
Please give me your answer at the earliest possible time.