【正文】
____. D. What are they going to do on Sunday? They are going to __________________________. help my dad. make a model visit relatives read some books What are they going to do ? A. They are going to have a piic. B. ________________________________ C. _______________________________ They are going to ride their bikes. They are going to make models. C B A 。 _________________________ __________________________ ____________________________ ______________________________ ______________________________