1. Nkag siab txog cov khoom xav tau Ua ntej xaiv cov ntim khoom noj, koj yuav tsum xub nkag siab txog cov yam ntxwv thiab kev xav tau ntawm cov khoom. Piv txwv li, yog tias nws yog cov khoom noj tsis zoo, koj yuav tsum xaiv cov khoom ntim nrog cov khoom sib khi zoo. Yog cov zaub mov tsis yooj yim, koj tsis ...
Nyeem ntxiv