几道英语句型转换练习题
 I  was doing my homework at 8:00pm.My mum was watching TV at that time.(合并成一句）
        I  was doing my homework____ my mum was watching TV____ that time.

  2.  we have learnt English for three years.(改为同义句）
        we have learnt English___ three years___.
3.    why don't the twins look the same as each other?(改为同义句）
        why do the twins look___ ___ each other?
4.    would you please tell us what happened next?(保持原句意思）
        would you please tell us what___ ___next?