用所给词的适当形式填空
1.There (be) some orange juice in the glass.
2.You,he and I (be) in the same class,so we are classmates.
3.It’s three o’clock now.Anna and Lucy (read) in the library.
4.Listen!Who (sing) a popular song in the next room?
5.Grace (like) ball sports.Now she (play) volleyball with her friends.
1.is 2.are 3.are reading
4.is singing 5.likes ; is playing