( )4.We must _____the factories from producing harmful gases
( )4.We must _____the factories from producing harmful gases
改为同义句:Factories should give up producing unhealthy gases.
Factories should give up producing unhealthy gases.同意句
同义句 we should stop factories from producing waste gass we'd
用英语解释句子factories should give up producing unhealthy gases
英语翻译Cars produced gases almost as harmful as the gases from
we have been producing too many of the gases which后面的which是什
Trees take in harmful gases from the air ang produce oxygen
The harmful gas from the factories pollutes th air.The harmf
(选择题)We must make ( ) known to all ( )smoking is harmful to
we must keep animals from danger.(保持原句意思) we must ------ ani
我们必须阻止工厂排放有害气体.We must _____ factories ______producing waste