Tom,where is your father I'm not sure .He _____ in his offic

Tom,where is your father I'm not sure .He _____ in his offic Where is Tom ? --I am not sure.He ___be playingbasketball in The light is on in his room .I'm sure he _____ back. —Do you know where my friend is?—I'm not sure.He ____ in the Tom _____ at hom ,but I'm not sure. Tom is said____abroad,but I'm not sure what country he studi He is my father,but I'm not his son,I am his He is my father,but I'm not his son.I'm his____. -Is Mr Smith driving here?-I'm not sure.He _____ ---Do you know _____?---I’m not sure.Maybe he is a businessm Where is Jeff?——I'm not sure.M____ he is at home or he m____ Jim is ______(或许）in his room,I'm not sure.