Is this a girl?i'm not sure.（）it is right.This is yours.here

Is this a girl?i'm not sure.（）it is right.This is yours.here She is sure to win.This is ( )I'm quite sure about.A.it B.so This sure is light,because I'm not that strong! This is a great song!I'm sure it'll go ___ charts soon. --- ______football is this? Is it yours? This pen is yours.Here you are. I know it is difficult question,but this is not right attitu i am sure this is right. i___think this is ___.同义句转换 I think this a( ) is right. This is—(i m)book.lt*s not-(yours you) this coat is not mine but yours If this book is not yours,( ) can it be?A,what else B,who el