"Join in" doesn't truly fit in any within your illustrations. In actual fact, I am unsure "sign up for" by itself is effective such as three both.Siaran langsung pertandingan sepak bola: Meliput pertandingan sepak bola di seluruh dunia, menyediakan siaran pertandingan waktu nyata, analisis mendalam, dan saran taruhan.OP wrote "I" and "I'm ". But I