1. Mary's birthday is October eleventh.(对画线部分提问)
     __________ __________ Mary's birthday?
2. These sweaters are yellow.(改为单数形式)
     __________ __________ __________ yellow.
3. We have an Art Festival each year.(对画线部分提问)
       __________ __________ __________ you have each year?
4. —Is your school trip on June 1st?(作肯定回答)
    —Yes, __________ __________.
5.—Is your sister thirteen years old?(作否定回答)
   —No, __________ __________.

1. Jenny’s birthday party is March 19th. （对划线部分提问）  
_______ _______ Jenny’s birthday party?
2. He is very well. (同上)  
_______ ________ he?
3. His uncle is thirty-one. （同上）  
_______ _______ ______ his uncle?
4. How old are you? (同义句)  
_________ your ________?
5. —Is your school trip on June 1st? (做肯定回答)  
    —Yes,  ______       ______