用already, just, yet完成句子

问题描述:

用already, just, yet完成句子
A:
Has Li Ming received the invitation__________?
B: No, he hasn’t got it
__________.But I know Mr. Zhao has got it ___________.
(2)A:
Have you finished your homework _________?
B: Yes, I’ve __________ finished
it.

正确答案是:yet yet already yet just/already