1.Once my sister
________ short. But now she
________ tall.
2.Kitty’s storybook
________ on her desk. Now it
________ (be not) there.
3.—Where are the students?
—They
________ in the music room just now. But they
________ in the playground now.
4.It
________ eight o’clock. The students
________ having lessons..
5.I
________ at a restaurant just now. But now I
________ at home.
6.—Where
________ you last night?
—I
________ in the supermarket.
7.There
________ some juice in the bottle. Now there
________ nothing in the bottle.