Space exploration has been made with the development of modern science and techn

Space exploration has been made ______ with the development of modern science and technology.

A. it possible  B. it was possible   C. that possible             D. possible

试题答案

C

解析:

该句测试是make sb./ sth.+adj. 结构，如果用A项，后应用to do sth.，因为it是形式宾语，代替不定式。

With the development of modern science and technology, man has made space exploration possible.