我听不明白你说什么英语怎么说1.i cant understand what you say.2.i cant unde
我听不明白你说什么英语怎么说 1.i cant understand what you say. 2.i cant understand what did you say. 3.i dont understand what you say. 4.i dont understand what did you say. 这四个哪个是对的?如果都对 是时态不一样还是因为did被省略了?