题目内容：

59页86.Excuse me .Could you tell me -----later on
Wait a minute .It is coming in ten minutes
A.if the next train arrives B.if the next train will arrive
C.when the next train arrives D.when will the next train arrive 为什么

优质解答

C if 引导的从句用一般现在时
而这明显是个情景对话,答的人说,请稍等（我查一下）下一班十分钟后来……
但是我觉得考这种情景很无聊