选A.

the same ...同一个...,同样的...

play with sb 与某人一起玩耍

翻译：我们在同一个班,我总是和她一起打篮球

Are ____ your sons?Yes.Please take the balls to ____.a.they;theyb.they;theirc.them;themd.they;themPlaying ping-pong ____ interesting ____school.a.sounds;afterb.sounds;before