到目前为止，我们政府已采取许多措施来保护环境．
，our government has taken many measures to protect the environment．
欧文过去常常在拼写"发音"这个单词时出错．
Owen make the mistakes in spelling the word"pronunciation"．
Tina 不可能在教师里，她去图书馆了．
Tina be in the classroom．She has to the library．
离开房间时记得关灯．
Remember to the lights when you leave the room．
Have you ever read the books （translate）by Yang Jiang？
It often rains （heavy）in this season every year．