--It’sdangeroustoswiminthisriver.     --Yes,youarerigh...

问题详情：

 -- It’s dangerous to swim in this river.

      -- Yes, you are right. The government has          people not to swim in it.

     A. trained                              B. warned

     C. led                                   D. encouraged

【回答】

B

知识点：动词和动词短语

题型：选择题