改为同义句:Factories should give up producing unhealthy gases.Factories should give up producing unhealthy gases.Trees are the biggest and oldest living things on Earth.

改为同义句:Factories should give up producing unhealthy gases.Factories should give up producing unhealthy gases.Trees are the biggest and oldest living things on Earth. 四、按要求改写句子,每空一词1.Our city is not the same now.(改为同义句)Our city is quite .2.I walked to school.(改为同义句)I to school foot.3.There were no factories fifty years ago.(改为同义句)There factories fifty years a there were no factories的同义句是什么啊 改为同义句转换 改为同义句,一空一词 改为同义句. 改为同义句, 句子改为同义句 怎么改为同义句 是改为同义句 1.The factories are polluting the lake.We should stop them.(合并为一句)We should __ the factories __ __ the lake.2.Junk food does harm to our health.(改为同义句)Junk food __ __ __ our health.3.你怎样阻止孩子们玩火柴?How do you __ Can you shou your pictures to us?同义句 Can you 2个空 your pictures? good food 改为同义句 Thanks怎么(改为同义句)? Her bedroom was tidy.（改为同义句）改为同义句 改为同义句 改为同义句 改为同义句 no talking keep quiet(改为同义句) 第二题,改为同义句!