下列选项中字母大小写形式相同的是_________.
It’s sometimes too difficult to understand the voices of American film.
— A homeless man won a lottery ticket . He became rich overnight . — .
— Excuse me . I’m looking for Be the Best of Yourself . — Sorry . The book you ask for out .
I’m surprised to hear from her , we last met ten years ago .
— Which dress do you like best , Madam ? — Sorry , I can’t decide now .