He is always behaving rudely,--------I guess is the reason w

改错:the reason why he is always late for class I guess he is ill. The reason is _ he is ill. He always says____(rudely)words. I guess the grass is always greener on the other side. He is always the first to know when w 1.he has always worked when i go to see him 2.he is always w This is the reason that he gave to me.w为什么只能用that This is the very reason ____ he explained to me just now.A.w The reason why he didn’t attend the meeting is that he was i IS i guess right? Guess who he is?或者 Guess who is he?