Beijing is one of the ______ in the world today. A．busiest c

Shanghai is one of ______ in the world. A．the big city B．the Beijing is one of the biggest cities in world Beijing is one of ( ) popular cities in the world. Who is the busiest one of them? She is the busiest one in my Firday is my ( ) day of a week A the busiest B busiest C bus One of 的用法如：BEIJING is one of the （）in the world todayA.busi beijing is one of the biggest cities in the world 同beijing i Beijing is one of the olaest ______ in China Shanghai is one of ______(large) cities in the world Beijing is one of ______ in China.  A. the oldest city Beijing is one of the many cities in the World that —— now d