Jim is ______(或许）in his room,I'm not sure.

Jim is ______(或许）in his room,I'm not sure. The light is on in his room .I'm sure he _____ back. The light is on in his room ,I'm sure he ___back A.must be B 首字母填空：He is p__________ in the room,I'm not sure. Tom,where is your father I'm not sure .He _____ in his offic I'm not sure which room he lives in.这个句子为什么不能写作 I'm not sure Is Jim coming by train? ------I'm not sure. He_______drive h there a school in his villge?A.Yes B.I'm not sure C.Not now jim is doing a homework p______ in his room 1.1 I'm sure Fred is in the house because I n( ) his car is i'm not sure ______ he is speaking at the meeting I'm not sure