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

問題詳情：

 -- 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

知識點：動詞和動詞短語

題型：選擇題