六下英语作业本答案51.52.53.54

51页：1。home 2。was watching TV 3。were at the airport 4。When 5。was cheering 6。When the bell 7。were singing a song 8。When I 9。was sleeping 10。went to bed 11。sleeping 12。was thinking about football。52页：1。arrived at the airport 2。getting up 3。When I came to the 4。morning exercises 5。was talking Greg to his classrooms 6。was talking Greg to the computer room。 再问： 可惜我做完了