句型转换（15分），每空1分。
1. My father works on a farm.(变一般疑问句)
your father on a farm?
2. What do you think of the yellow dress?(改成同义句)
do you the yellow dress?
3. His mother is a nurse.(加doctor构成选择疑问句)
his mother a nurse a doctor?
4.. It is 9:30 now.(就划线部分提问)
is it now?
5. She doesn’t have any pears.(变肯定句)
She _____ _______ pears.
6. We play volleyball.（改为以Let开头的句子）
______ ______ volleyball.
7. Can I help you?（改成同义句）
What_____ I ______ _____ you?
