题目选项分析

比较两个句子语法结构语义，选出最佳答案：

Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.

There were concerns about public health leading to the construction between 1876 and 1904 of three separate sewer systems serving metropolitan Boston.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

0人: 学员vAx6el 2024-06-24 15:25:15

leading to 不如 led to 谓词那么清晰有力，
serving 让句子结构更为复杂

0人: larissa720 2021-10-24 15:29:07

there be表示的是自然存在

0人: 学员bOgDmd 2021-07-24 01:20:44

the construction with three separate is too far

0人: 必上700 2021-03-18 21:34:29

there was冗长，且there was表示自然存在

0人: NinaWrong 2019-09-02 16:05:19

there are表示的是自然存在，现在concerns不是自然存在的

题目基本信息

所属科目：语法SC
题目来源1：GWD-47
题目来源2：PREP08 Test 1-237

难度：中等