1．

A.That sounds fun! B.No，I don't. C.That sounds boring. D.volleyball is so difficult. E.I don't have a computer.

A：Let's play computer games!
B：That sounds interesting，but （1）
A：Well，do you have a volleyball？
B：Yes.
A：Then let's play volleyball.
B：Oh，（2）
A：OK，let's watch TV.
B：（3）Hmmm...Let's play soccer!Do you have a soccer ball？
A：（4）
B：Oh.Well，do you have a basketball？
A：Yes，I do.Let's play basketball.
B：（5）

2．-Can you come to my party on Saturday afternoon？
-___________．I'll have to help my parents．（　?。?/div>

3．--- Pandas are in danger． What should we do？
---      give some money to the groups like WWF to protect them？（　?。?/div>