Ant went half way through the wall.

[tufguy]

"I saw an ant that was climbing a wall. It went half way through the wall and fell down but it started climbing again. It fell several times but didn't give up untill it reached the top of the wall."

Please check.

 

[emsr2d2]

"I saw an ant that was climbing a wall. It went halfway [STRIKE]through[/STRIKE] up the wall and fell down but it started climbing again. It fell several times but didn't give up [STRIKE]untill[/STRIKE] until it reached the top." [STRIKE]of the wall."[/STRIKE]

Please check.

See above.

 

[Tarheel]

Perhaps:

It fell several times but didn't give up. Finally, it reached the top.