For 7-th form

Fill in the gaps with the correct tense: present perfect or simple past.

Mr Smith lives in London. He  (leave)  work three hours ago but   (not get)  home yet. He also  (not eat) until now, although he's very hungry. Once it  (take)  five hours to get home: that  (be)  last year. The traffic in Britain is very bad, but it  (become) even worse lately.