Factories should give up producing unhealthy gases.同意句

Factories should give up producing unhealthy gases.同意句 改为同义句:Factories should give up producing unhealthy gases. 用英语解释句子factories should give up producing unhealthy gases （ ）4.We must _____the factories from producing harmful gases 同义句 we should stop factories from producing waste gass we'd My parents advised that I should give up somking .改为同意句：My p maybe you should call him up.（改为同意句） 英语连词成句：should ,give ,he ,up ,smoking there are no factories in this city的同意句 It is very difficult for me to give up smoking同意句 Don't give up learning english ,it’s helpful to you同意句转换 maybe i should give upmaybe i should give up