It’s one of China's most popular dishes.这句话中,为什么one of 后没加定冠

It’s one of China's most popular dishes.这句话中,为什么one of 后没加定冠 It's one of the _____(China) most important wetlands. S( )is one of the world's most popular sports It is one of the most popular foreign languages __students s It's one of the most be——?cities in the northwest of China one of China's the most beautiful places对吗 it's one of the most i____American h____ it's one of the most important meetings____this year It's one of the most （t ） stories . It is one of men's most important a_____s8155539 It is one of the world's most important wetlangs It's one of the biggest city in China.找错