It is beneficial for us to do morning exercise.还是It is benef

It is beneficial for us to do morning exercise.还是It is benef It is beneficial to us to read.还是It is beneficial to us for It is important( ) A for us to do eye exercise B for us to d 为什么The exercise is too difficult for anyone of us to do it?错 This exercise is too difficult for anyone of us to do it有何错? This exercise is too difficult for anyone of us to do it.这句话 it is good for us to take exercise every day Is it beneficial for the student to have computers? We all need to exercise.Doctors （s ）it is good for us .It ma Is it possible for us to do...和Is that possible for us to do it is really___to do morning exercise every day. It is hard for us __(exercise)every day.why?