-Is that Mary?-No, it _______be her. She has gone to Tokyo.
My English teacher had a trip to the USA last summer. Which picture did she take there?
_______ a big party in our school in two weeks.
Every year lots of trees _______ to make our country more beautiful.
--Listen! Is it Linda singing in the next room? --No, it __________ be her. She is still in Shanghai.
-- __________ beautiful city! --Yes. Lots of tourists come to visit it every year.