To protect the environment is important.(改为用It开头的句子）

To protect the environment is important.(改为用It开头的句子） To protect the environment is important.(改为同义句) 这个句子正确吗?To protect the environment,it is very important for It is important to learn how we can protect the environment. it is important to learn how we can protect the environment 以“why is it important to protect our environment?”为主题写一篇3分钟的 It is our duty to protect the environment it is our duty to protect the environment. It is important that we shoeld protect our environment【改为同义句 it is important for us to protect the earth.改为同义句 1.It' important to protect our environment ___________(从现在起) It’s important ________ us to protect our environment．