I am not sure if she is from Canada.还是I am not sure that she is f_英语解答

I am not sure if she is from Canada.还是I am not sure that she is from Canada.
原题 is she from Canada?i'm not sure.合并为一句

人气：112 ℃　时间：2019-11-14 00:45:22

解答

I am not sure if she is from Canada.或者 I am not sure whether she is from Canada or not.