this is the case_____he's had all his money stolen.这句话填where还是填when还是填that?请高手详解!那case在从句中做什么成分？

do you have a tennis rackets?___ ____ ______ a b cthat volleyballs are in the case____ _______ ____a b cdo he have a sister?___ ___ ______a b clinda have a computer in her room____ _________ _______a b cyou can call me on this number_______ _____ __a this is the new This is the this is the THIS IS THE WAY This is the this is the last This is the This is the this is the RT... What the hell is this? This Is The Girl 歌词 This Is The Place 歌词 This is the last time This is the Great Wall. This is the weather report. This Is The Place 歌词 This is the place fOr