1.They must be at home - there's a light __ in the bedro

they must be at home -there's light _____ in the bedroom A t 1.The light is ( ),He must be at home.A.off B.at C.in D.on there is no light on.They （ ）be at home. -- ( )he be at home now -- Yes,he must.The light is on A.Mus There's no light on --They ___be at home.A.can't B.mustn't C The light in Mrs White’s bedroom is on.She ____ be at home n 请大家都来看一看,Mr Smith must be at home because the light in his r it's seven o'clock in the evening they must ____ at home i t 高三英语单选题C22．There's no light on in the dormitory．They must ha He must be at home,__the light in his room is on. The engineer must be at home,for the light is on,___? 请问一下1.The light is out.He ____ __ be in the classroom.A.can’