单项选择题
A. 我很后悔我没能专注于下周一那个重要的拍卖会。 B. 我很遗憾我不能出席下周一那个重要的拍卖会。 C. 我很后悔我不能参加下周的那个销售会议。 D. 很遗憾我不能出席下周一那个重要的销售会议。
A. shouldn't B. mustn't C. couldn't D. wouldn't
A. Tile new land was discovered B. Was the new land discovering C. With the new land discovered D. With the new land discovering