一道英语选择题( )Look!The light is on. He must be at home,_____ he?

-- ( )he be at home now -- Yes,he must.The light is on A.Mus 1.The light is ( ),He must be at home.A.off B.at C.in D.on The l------is on ,He must be at home. He must be at home,__the light in his room is on. Is Jack at home?Yes.Look!He _____ on the bed. Simon _____ be at home .He is on the playground.A.can't B.mu The engineer must be at home,for the light is on,___? The light is on in his room ,I'm sure he ___back A.must be B Look!the light is not on in jack's room he-at hom Look,the light is still on in his study.he（）at moment 根据首字母填空The l_____is on .He must at home He is looking at the _____ picture with a _____ look on his