副词是不能加介词的!
这里的downtown是名词,所以才用in
我说几个downtown的例子帮你理解吧：
downtown:[ 'dauntaun ]
n.市中心区,市中心
adj.市中心的
adv.往闹区
例句与用法:
1.We will go downtown tomorrow.
明天我们去市中心.
2.A central portion of a city,between uptown and downtown.
市中心区一个城市的中心地区,位于住宅区和商业区之间
3.Most of the old buildings in the downtown were plucked down,and new ones erected.
市中心的大部分建筑物都拆掉了,建起了新的房子.
4.The park is only five minutes from downtown.
这个花园离市中心只有五分钟的路程.
5.A new skyscraper has been put up downtown.
市中心又建起了一座摩天大厦.
6.Did you see the art exhibition downtown?
你看了闹市区的美术展览吗?
7.On his way downtown,Jim looked in on his aunt.
在去市内的路上,吉姆顺道拜访了他的姨妈.
8.I have an apartment in downtown Manhattan.
我在曼哈顿中心区有一套住房.
