1.only by playing video games
only by 是只有通过,此处应去掉only
2.feel the loneliness ,不要the
As result,video games are even better than
medical machines.
作为结果,应该是as a rsult.
3.Second,divert with video games is the best way for seniors to
enhance physical rehabilitation and stay healthy.
此处应该是secondly.还有,你后面的divert with video games是做主语,那就应该是diverting with了.
4.On one hand,it helps developing muscles
help后面不是接动词原形吗?
5.Without a doubt,video games are good for seniors as it provides exceptional benefits such as mental and physical rehab tool.
毫无疑问应该是there is no doubt.你用without也应该是without any doubt啊,还有,你后面的句子,前面是video games are后面又是 it provides ,有点相互矛盾.那个地方是用as 还是for呢?我也不太记得了额