TOEFL语法题求译-8

in the United States

D。 ___(which is)Once the fourth largest city___in the United States,St。Louis has now become the 24th largest city。 前面是非限制性定语从句 A时态不对。C怎么都讲不通 B的话形成两个单句,应该把B放到后面且city后面加and才对 St。Louis has now become the 24th largest city,and it was the fourth largest city in the United States。 或者调换一下主语 St。Louis ...全部

  D。 ___(which is)Once the fourth largest city___in the United States,St。Louis has now become the 24th largest city。
   前面是非限制性定语从句 A时态不对。C怎么都讲不通 B的话形成两个单句,应该把B放到后面且city后面加and才对 St。Louis has now become the 24th largest city,and it was the fourth largest city in the United States。
   或者调换一下主语 St。Louis was in the United States,and it has now become the 24th largest city。 。收起