Fill in the correct forms of the verbs(Past Simple or Past

Fill in the correct forms of the verbs(Past Simple or Past Continuous)in brackets. 1.I......(read) a book when he.....(come) in. 2.It.....(rain) this morning when I......(get up). 3.I......(have) tea when the telephone......(ring). 4.When you.....(come) in,I.....(write) an essay. 5.He......(sit) in a cafe when I......(see) him. 6.The boy......(fall) down while he.......(run).