根据对话内容及括号内所给词的提示填空
A:Hello,Billy.I (not see)you for a long time.
B:Yes,I (be)very busy recently.
A:Really? Tell me what you (do)since we last (see)each other.
B:Well,I (get)my degree(学位)last month and then I (move)
house.
A:When (you/move)?
B:Last week,but I (not clean)everything yet
A:I (call)you on Tuesday but there (be)no answer.
B:I (be)busy at my new house then.
A:Never mind.I only (want)to invite you to a party next week at my house.
B:Great! Thank you.