—I think her dress comes from the 1970s.—It_________ be from that time. It looks so modern on her.

——What ___ I wear for the party this evening, darling?——It's a formal dinner．

 Mike, please be quiet, or the other students          hear me clearly.

You _____ read a book in the sun—it'll do harm to your eyes．                      

--- Whose comic book is it?  --- It ________ be Daniel’s. He often shares his comic books with his friends.