My father keens on researching our family history.

My father keens on researching our family history. my father keen on researching our famiy history是什么意思 my father is researching the spread of aids,and he is _in hi My father has many books ,some of _____ are on history My father has many books,some of___ are on history 空格填which还 I love my family,because I have here our father and angelic my father goes to work in beijing to work m( ）for our family my family 与our family 有无区别? ilike my family.(改为一般疑问句）Mike's father works on a farm.(改为否定 My father is (tall)in my family. My family is father mother and me 跪求完形填空答案第一句是：My father left for our native place on Thursday