这个作业怎么做?It's necessary for h

这个作业怎么做?阅读理解. H It`s necessary for us to keep quiet in the hospital 怎么改为同义句 It‘s necessary for us___(learn)English well说明原因 英语翻译It's necessary for us to have a meeting. it's necessary for you___(eat)three meals a day It's necessary for sb.to do.(中文意思） it's necessary for us to have healthy eating habits modern science is developing quickly it's necessary for doct it’s necessary for the younger people to visit t 这个作业怎么做?Can you _______ me h 一道首字母填空It's necessary for young people to find it hard to pu 同义句转换It is not necessary for you to worry about your son‘s s