what shall we do if we use up the energy in the world的同义句

what shall we do if we use up the energy in the world的同义句 what shall we do if we lose our way in the forest改为同义句 What shall we use for power when all the oil in the world ha What we must do is reduce the use of the energy what we can do to cut down the use of energy?什么意思 Shall we look at the pets in it?同义句 Shall we play on the swing?的同义句 shall we visit the Palace Museum的同义句 Shall we meet outside the school geat?的同义句 we can use the computer to do many things.的同义句 单选What should we use for power when all the oil in the world What should we use for power when all the oil in the world h