句型转换
（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?
