If we ——more rain forests,our planet will be in dander 空格处挑填

如何翻译If there are more trees,the air in our city will be much If there are more trees,the air in our city will be much cle what will happen if we can be in more than one place at the If we do nothing,soon there will be no more giant pandas in we must plant more trees to ____ our planet greener. There will be more tall_____(building )in our city If more trees are planted,our city will be more beautiful.为什 the Great Wall in Chian will be covered by forests ( ). if it will be rain tomorrow,we won't go on a picnic. We will stay in shanghai for 5 more days because of the rain 1.The expert p()there will be more acid rain in future. It will be (rain)空格这里该填什么