是it's necessary for us to sleep for 8 hours 还是is' necessary

英语翻译It's necessary for us to have a meeting. it's necessary for us to have healthy eating habits It is necessary for us to have___good vocabulary of english. It is necessary for us not to eat fast Necessary+for还是to? It is necessary for sb to It is necessary for us to master a foreign language.请问for us necessary 后面是跟to 还是for? 一道英语选择it is necessary for us to do  —for the wildl lts necessary to还是 for lts necessary to还是for It's not necessary for us to take a bus to the bus station.