It is hygienic whilst reducing the time needed to clean it.词

It is time for me to clean the blackboard today.同义句 It is __ it took him a long time to _______ the skills he needed to b The classroom is very dirty.it is hard to clean it和it is har It is time __(clean)zhe classroom. It's kind of difficult to b_____ the time needed for schoolw It is my turn to clean the blackboard today It is time to change the environment it is time to play the game It is time to hit the road It is time to it's time to get it _ up (clean) 英语翻译Whilst it is universally accepted and used incessantly,t