【英语问题】They can help keep the balance of nature.这句子中为什么要加定冠词“the”

英语问题：是They can help you to be relaxing还是They can help you to be relax? can ---------(they) help her? 【英语问题】They can help keep the balance of nature.这句子中为什么要加定冠词“the” They can help build roads. 关于The Prince and the Pauper的问题Edward and Tom want to go back to their old lives.Who does Edward ask for help?Who does Tom ask for help?What can they do?（用英语回答） I can help ______(they) with English we hope they can help you.翻译 they can help us find ( )favorite books how can we help ()(they) to live They can help you改为同一句( ) ( )help you They can help me.对help me划线部分提问 they can to help us stop the sandstorm?to help They think they can help the old people 同义 they can help to well keep them相当于they can help them to _well _为什么? 英语问题doing it like this can help you get the actiondoing it like this can help you get the actionA.beautiful B.goodC.right D.well They think they can help us play sports.(改为同义句）.They think they can help us play sports.(改为同义句）。They think they can______us______sports. 英语问题(help!)翻译：—— —— —— ——tom can work out the problem.(汤姆很有可能会答出那道数学题)my sister can dance —— —— ——sing.(又会唱歌又会跳舞)you can't —— people—— —— what they thin 英语改错,就一句话You'd better put your goals on paper where they are visible so that they can help to monitor your progress