请根据要求改写下列句子，每空一词。
My grandmother realized that she was old.                  (改为否定句)
My grandmother ________ ________ that she was old.
We will finish junior school in two months.                    (对划线部分提问)
________ ________ will you finish junior school? 
We will paint our new house green and white next week.         (改为被动语态）
Our new house will ________ ________ green and white next week.   
“Is it the first boys-only school in the city?” asked a parent.     (改为间接引语)
A parent asked ________ it ________ the first boys-only school in the city. 
Choose the perfect grapes only, or you won’t be able to make the best wine. (保持句意基本不变)
You ________ be able to make the best wine ________ you choose the perfect grapes only.