It is___for us to do eye exercise every day.(need) 是needed么

It is___for us to do eye exercise every day.(need) 是needed么 it is good for us to take exercise every day It is important( ) A for us to do eye exercise B for us to d Need I to do exercise two hours every day?还是Do I need toexer do i need to exercise two hours every day?exercise for two h it is good ___ eye exercise every day . exercise的用法,Do you do eye exercises every day?这句话中的“exercise It's important for us to exercise every day.（ 同义句转换） __ ever It is hard for us __(exercise)every day.why? It is hard for us __(exercise)every day We ______(too) need to exercise every day. Children need to exercise half an hour every day