反意疑问句,My father never went to Xi an,_____?(填写反意疑问句）我的答案是can it,而正确答案是can they.为什么?

反意疑问句,My father never went to Xi an,_____?(填写反意疑问句）我的答案是can it,而正确答案是can they.为什么? You father has been to Hongkong.（反意疑问句） Your father knows little about computer.改为反意疑问句 Your father never smokes（变为反意疑问句） she must have been forty.变反意疑问句!They must have seen the film.反意疑问句The old man must have been a Swedish.否定句My father must have gone to work.反意 My father must be in his office -------（反意疑问句）the book is mine 同义句the book（）（）（） My grandfather is my father's father (一般疑问句） My brother likes playing basketball,_ 反意疑问句 Come to my office.(改为反意疑问句) there's nothing wrong with my bike,( 反意疑问句 He is my father.改为一般疑问句 My father is fine 变为一般疑问句 My father is 37改一般疑问句 my father is stong 改为一般疑问句 My father plays basketball.改为一般疑问句 My father like pears改为一般疑问句 My father drive a bus.变疑问句 my father like tomatoes改成一般疑问句.