一个英语句子·,

问题描述:

一个英语句子·,
with improvements made to trunk roads for the 2010Guangzhou Asian Games,trees and flowers will also be planted 前面improve为什么是名词

with是介词.介词就是放在名词前面一起构成介词短语的.
例如: with the development of our industry 随着我们的工业发展.
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