1 Listen, the bird is singing.
2 The teacher is giving us a lesson at the moment/present.
3 Are you playing family computer games?
4 He isn't having dinner now.
5 They are walking and talking.
(1)Is there anyone singing?——No,there isn't.
(2)Is there a teacher walking along the street?——Yes,there is.
(3)There is a girl reading a book.——Oh,yes!She is so hard.
(4)There is a little boy crying.——What's happende?
(5)There is some bread on the table.——Well,I like bread.
(6)There are many people in the street,What are they doing?——I don't know.
(7)There are many trees over there!——Yes,I see.They are so beautiful!
(8)There are lots of things need us to learn.——So we should work hard.