We ought to save energy .改为同义句

We ought to save energy .改为同义句 we saVe energy both at home and at school改为同义句 we are supposed to save as much energy as possible 同义句 I think we should try to save water(改为同义句)____ ____ ____,we “We all need a lot of energy.” 改为同义句, 英语简单句改为复合句Zhang swam freestyle to save energy.复合句：Zhang swam Remember to save the animals改为同义句 we want to save water的同义句 how to save energy She ought to tell her parents before she goes out.(改为同义句) He should tell a story in English改为否定句和疑问句 We ought to tell reasons for energy shortage what can we do to save energy in