句型转换.(10分)
This is an apple .(改为复数)
                                   
Sara has got some brothers .(改为否定句)
Sara                          brothers.
There are four people in Daming’s family .(划线提问)
                                         in Daming’s family ?
These are photos. (划线提问)
             these ?
The house is behind the factory .
             the house ? 
Our teacher has got a nice dictionary ? (改为一般疑问句)
      our teacher a nice dictionary ?
Is there a box on the table ? (作肯定回答 )
      ,                  .