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．
