It’scertainthatweare

问题详情：

 It’s certain that we are _________ to having a clean and beautiful home in the future because some special projects are__________ to protect the environment.

   A. under way; on the way                  B. in the way; on the way

   C. on the way; by the way                  D. on the way; under way

【回答】

D

知识点：介词

题型：选择题