1.I'm not（interested）in what you said,to be honest.
答案解析：根据句子意思,我对你说的话,不感兴趣,因此要填,兴趣那个单词interested
2.Though the problem is simple,but I don't think（anyone）can do it right.
答案解析：根据句子意思,尽管这个问题很简单,但是我认为不是任何人都能做对的,因此填anyone
3.Look at the black clouds in the sky.It（seem）as if it'll rain.答案解析：根据句子意思看天上黑云,天好像要下雨了,因此填seems
4.Pass me that (column )of paper,please.I want to read it.答案解析：根据句子意思:把那一卷/栏报纸递给我,我想看,因此填column
5.The books on those（shelves）are very good.答案解析：根据句子意思:那些架子上的书非常好,因此填架子复数形式shelves
6.Could you tell me your (cause )about the matter?答案解析：根据句子意思:你能告诉我关于这个问题的原因吗,因此填cause