句型转换，每空一词。

1．I used to play the guitar when I was in the primary school,                    ?

2．We speak English at school.(改为被动语态)

   English                        at school by us.

3．The story was very interesting. I could never forget it. (合并一句)

   The story was                                 I could never forget it.

4．Both my mother and my father like watching TV. (改为否定句)

           my mother         my father           watching TV.

5．Do you sweep the floor every day? (改为被动语态)

              the floor          every day?

根据所给提示，完成句型转换。每空一词，（含缩略词）。

1．She used to work very late last night．（改为否定句）

She                   to work very late last night．

2．I'll fly．to Mexico if I have time．（改为虚拟语气的句子）

I         fly to Mexico if I       time．

3．Parents should allow children to choose their own clothes．（变被动语态）

Children should                    to choose their own clothes．

4．I think this dictionary must be Tom's．（同义句）

I think this dictionary must                  Tom．

5．He likes singers．They can write their own music．（合并为含有定语从句的复合句）

He likes                   can write their own music．