is that the ( ) spelling?i am not sure .look it

is that the ( ) spelling?i am not sure .look it 英语翻译I am not sure if it is the book or the fact (1)that I am I am not sure if she is from Canada.还是I am not sure that she Look at the sky.I am sure it _(rain). Whose box is it on the floor?(I am not sure)改为宾语从句 The problem is not easy,but I am sure _______( work) it out how clean the room is.yes,i am sure that someone [ ] it This is the last thing I am not sure about. believe it or not,I'm sure that is ____ people call the six I’m not sure that is it free? I am not sure I am in the end is not like you1 I am not sure.that I am gay