按要求完成下列各题。
1. Li Ming knows about the party. (变为否定句)
Li Ming ________ ________ about the party.
2. Jenny makes cookies. (变为现在进行时)
Jenny ________ ________ cookies.
3. I need some help. (变为一般疑问句)
________you need ________help?
4. All of the cookies have letters. (变为单数句)
________ ________ ________ ________ letter.
5. She went to the shop to buy some food. (变为同义句)
She went to the shop ________ ________some food.