Rewrite the following sentences(按要求改写句子):
1. There are some star biscuits in the bag. (改为否定句)
___________________________________
2. His robot is a rectangle. (划线部分提问)
___________________________________
3. There is a glass in Clare’s hand. (划线部分提问)
___________________________________
4. My mother likes her yellow dress. (改为否定句)
___________________________________
5. His aunt is a nurse. (划线部分提问)
________ his aunt? ________ ________ his aunt ________?
6. Alice’s hoop is a circle. (改成意思相同的句子)
____________________,and_______________