连词成句。+R4u7I9`'D'P'K,U2D9l-B9d+m/F8X9m;Y
am, playing, I, football+R4u7I9`'D'P'K,U2D9l-B9d+m/F8X9m;Y
({8C(w4\:f)y3G-{2R1z6K.+R4u7I9`'D'P'K,U2D9l-B9d+m/F8X9m;Y