27. We don’t know if she will do it.(A) We don’t know how she will do it. (B) We don’t know why she
問題詳情
27. We don’t know if she will do it. (A) We don’t know how she will do it. (B) We don’t know why she will do it. (C) We don’t know whether she will do it. (D) We don’t know where she will do it.