句型转换，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?