After finish the 7 days boring training course., After finish the 7 day boring training course,

After finishing the 7 days boring 7 day training course. After finishing the boring 7 day training course.

Fthe first thing I do is go home to do isand play video games! the first thing I do is go home and play video games!

This and the sentence should be joined together since the other one doesn't make sense by itself.

FThe first thing I did was go home to do is play video games! The first thing I did was go home to play video games!

I picked Mortal cCombat is the one I pick. I picked Mortal Combat.

I might just played for 1 hour approximately. I played for 1 hour approximately.

I might just played 1 houthought I might play for approximately just 1 hour. I thought I might play for approximately just 1 hour.

But my finger is too painful and I needhave to stop. But my finger is too painful and I have to stop.

But my finger iit was too painful and I neefor my finger so I had to stop. But it was too painful for my finger so I had to stop.

Somedays, I will just keep playing video games all day and all night. Somedays, I will just keep playing video games all day and all night.

Someday I will just keep playing video games all day and all night. Someday I will keep playing video games all day and all night.

Actually, this is the 25th times I participated in this training camp. Actually, this is the 25th time I participated in this training camp.

Actually this is the 25th times I participated in this training camp. Actually this is the 25th time I participated in this training camp.

A quarter centuryof a hundred! A quarter of a hundred!

A century is for a hundred years.

But under the threat of virus., But under the threat of virus,

But under the threat of a virus. But under the threat of a virus.

Eeverybody just goes home just and avoids grouping together. everybody just goes home and avoids grouping together.

Again, the other sentence doesn't make sense on it's own so it should be joined with this one.

Everybody just gowent home just and avoided grouping together. Everybody just went home and avoided grouping together.

(The Virus) (The Virus)