PLEASE HELP ME!!

Complete the text with the Past Simple, Past Perfect Simple or the Past Perfect Continuous of the verbs in brackets.


Mark (1)_____ (not plan) to travel last Sunday but he had to. It all (2)______ (start) on Sunday morning. He (3)______ (work) on a project for over an hour when his dad (4)______ (call) . He (5)_____ (want) to see him and he (6)_______ (book) a ticket for the 12 o'clock train. However, by the time Mark (7)_______ (arrive) at the railway station, the train (8)_______ (leave). So, he had to wait for about three hours and finally (9)_______ (get on) the 3 o'clock train. He (10)______ (travel) for half an hour when the train suddenly (11)_______ (stop) because of a problem with the engine. It was the worst day of his life!
​