when was the last time句型

when was the last time句型 when was the last time you （ ） When was the last time you dusted the apartment? when was the last time you had sex? When was the last time you were in a hospital? when was the last time you did something for the first time中 when was the last time中when是引导词,还是表语? It was last night_____ I saw the comet. A.the time B. when C the,time,when,village,was,you,the,were,last,in（?）连词组句 the time when village was you the were last in 连词成句 When was the last time this coutry hosted the Olympic Games? It was last night_____ I saw the comet.A.the time B.when C.t