To pretect the environment is our duty

To pretect the environment is our duty It is our duty to protect the environment it is our duty to protect the environment. to protect the environment is our duty 同义句 Protecting the environment is our duty. to,is,our,it,duty,protect,environment,the,连词成句 1.( ) care of the environment is our duty.A.To taking B.Took it's our duty to help ____(protect)the environment 在句子“Our duty is to make our environment be better.”中求解“to ma This is our duty to protect our environment around us.此句错在哪? 1、To keep our environment clean and tidy is our duty.(改为同意句） 英语句型转换1、To keep our environment clean and tidy is our duty.(