I. Look at the pictures and fill in the blanks.

1. What are these boys doing？""" They are ________.

2. Look at this frog. What is it doing？

It is ________.

3. Look. This is not a rabbit. It is a dog. What is it doing？""" It________ ________.

4. Look at this boy. Is he singing？

No， he isn't. He is ________ a book.

5. Where are these boy students？

They're on the playground.

Are they playing football？

No， they ________. They ________ ________ basketball.

II. Look at the pictures and complete the conversations.

1. Helen： Look， Lucy. What's that？

Lucy： It is ________ ________.

Helen： The bird is very nice. Is that bird a sparrow？

Lucy： No， it isn't. That bird is________， but a sparrow is small.

2. Jack： Hi， Tom.

Tom： Hi， Jack.

Jack： Look. What is that girl doing over there？ Is she writing？

Tom： No， she________. She________ ________a picture， I think.

3. Jim： Peter， can you see the man and the boy？

Peter： Where are they？

Jim： They are________ a ________.

Peter： Ah， yes. I can see them.

Jim： What are they doing？

Peter： They________ ________.

Jim： I like fishing too. Let's go and have a look.

4. Jason： Hi， this is Jason speaking.

Tom： Hi， Jason. Are you doing your homework now？

Jason： No，________ ________.

Tom： What are you doing then？

Jason： I ________ ________ ________ ________.