Thesemeasuresincludebetteradministrationofareasthatare...

问题详情：

 These measures include better administration of areas that are likely to turn into desert, and ______ people in how to use water without wasting it.

      A. train                        B. to train                    C. training                    D. trained

【回答】

C

知识点：非谓语动词

题型：选择题