What’s the matter with your mother? —She ______ a sore throat.

There _______always many visitors in Beijing on National Day.

Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.— You mean the man in white? He is an exchange student from England.

Please pass me the cartoon bookcover is a picture of Mickey Mouse.

My father has ______ for two weeks. I miss him so much.