do you think___ important to keep our environment clean?A、it

do you think___ important to keep our environment clean?A、it We must do a lot of work to keep our environment clean and t I think it's our duty to keep our environment clean and tidy How important a thing it is to keep our promise! 英语作文keep our environment clean It's important for us to _____ our environment.(protection) It’s important to learn about protecting our environment. He 英语翻译It's important to learn about protecting our environment 1.It' important to protect our environment ___________(从现在起) It’s important ________ us to protect our environment． I think _______ our duty to keep our environment clean and t 1、To keep our environment clean and tidy is our duty.(改为同意句）