You seem determined to see this challenge through.

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hello,

Say that someone takes up a “challenge” such as this one here: How to learn English? (30/30 Challenge) . (Long story short, it is required of them to make a post a day for 30 days.) This person makes a number of posts for several days in a row. Can I say these to them?

You seem determined to complete this challenge.
You seem determined to see this challenge through.
You seem determined to go through with this challenge.

Thank you.

2

You can say all those.

3

Thank you very much Bev,

Could you give me a couple more sentences conveying the same idea?

Thanks again.

4

You seem to determined to finish this challenge / get to the end of this challenge / beat this challenge / accomplish this challenge / conclude this challenge / fulfil this challenge.

It seems that you are determined to… plus permutations of the above.
It seems as if you are determined to…