1. 根据要求完成句子

1. （1） His mother is ill. He has to take care of his mother. （改为同义句）
   

   His mother is ill. He has to his mother.
   

3. （2） He spent 2 hours playing computer games last night. （改为同义句）

   It him 2 hours computer games last night.
   

5. （3） John didn't go to school because he was ill.（合并成一句）
   

   John didn't go to school his .
   

7. （4） The panda weighs 100 kilos.（对划线部分提问）

     does the panda weigh?

9. （5） The elephant weighs l, 000 kilos. The monkey weighs 57 kilos.（合并成一句）

   The elephant weighs than the monkey.