句型转换
We're trying to protect the environment.(对划线部分提问)
　　_________are you trying _________ _________?
There used to be a lof cheetahs.（改为反意疑问句）
　　There used to be a lot of cheetahs,______ _________?
They made Victor weigh himself just now. （改为被动语态）
　　Victor_____ ______ to weigh himself just now..
They weigh about 1,ooo pounds. (对划线部分提问)
　 ______ _______ do they weigh?
I think what you said is right. （同义句）
　　I_______ ________you..
There's something wrong with the watch .（一般疑问句）
　　________ there ________ wrong with the watch ?
I like to go out to play, and I don't like to stay at home.（同义句）
　I prefer to play outside -------  -------stay at home.