英语句转!快

题目

英语句转!快
It is perhaps the strangest tower in the world
It _ _ the strangest tower in the world
The people visit the Great Wall every year(被动语态)
The Great Wall _ _ _ the people every year

答案

It is perhaps the strangest tower in the world
It _is _probably the strangest tower in the world
The people visit the Great Wall every year(被动语态)
The Great Wall _was _visited _by the people every year