英语翻译
1.They have been here(since 2000).  对括号内提问
________     _______have they bwwn here?


2.The old man________last year.He_______      ______for a year.(die,动词填空)


3.This factory opened twenty years ago.(同义句转换)
This factory_____      ________      _______for twenty years.


4.Miss Gao left an hour ago.（同义句转换）
Miss Gao_______      _________       ________for an hour.




把下面的句子变为被动语态
We can finish the work in two days.

The work_______      _______      ______in two days.


2.They produce silk in Suzhou.
   Silk________       ________in Suzhou.




3.The child will sing an English song.
   An English song______      _________    __________by the children.