Who are they waiting ___the bus stop (填什么）

Who are they waiting ___the bus stop (填什么） they,who,are,for,waiting ) 连词成句 They are waiting for Mary 用who对Mary提问. They are waiting for mary.用who对mary提问 Do you know ______ at the bus stop?whom they are waiting for B．who they are waiting C． whom are they waiting for D．who are they waiting Did you konw__at the bus stop?选项A.who are they waiting for B.whom they are waiting for C.whom they were waiting for 根据所给提示完成宾语从句Who are they waiting for?Do you know ( ) 填空：Who are you waiting for =( ) ( )are you waiting? Do you know who they are_______?(waiting,waiting for) who are you waiting waiting for 有for么 为什么 1.the girl took lots of food and drinks ____she could have them on the way A.in order toB.in that case C.in order that D.as if2.do you know___at this yesterday?A.who are they waiting B.who they are waiting for C.who were they waiting D.who they were who are they?万马加鞭 Who are they? who are they “Who are they? ( ) are they waiting ( A why,for B who ,/A B里选一个!1.why for 2.who ,at 3.why / 4.who who are they还是who are them they are who they are.怎么翻译?