Question

【题目】The lecture about how the environment in this cityProfessor Wang.
A.improving, was organized by
B.to improve, was organized by
C.improve, was organized to
D.to improve, was organized to

Answer 1

【答案】B
【解析】句意：这个关于如何提高这个城市环境的讲座是王教授组织的。how to do sth.如何做某事，be organized by由……组织。故选B。