In the following pair of sentences,  sentence a is more formal.
a. This program was set up to improve access to medical care.
b. This program was established to develop medial care
A、正确
B、错误
In the following pair of sentences,  sentence a is more form - 01 A Brief Introduction to IELTS Writing and DIction (Lexial Resource) - 雅思写作 - 爱课程(中国大学MOOC) | 大学网课搜题引擎