單項選擇---Who'ssinginginthegarden?    ---It               ...

問題詳情：

單項選擇

--- Who's singing in the garden?

     --- It                  be Mr. Brown. He always practices singing at this time.

      A. must                                  B. can't                                   C. need

【回答】

A

知識點：情態動詞

題型：選擇題