b) Use the verbs above to complete the sentences below in the Past Simple or the Past Continuous. ► I was having tea when somebody knocked at the door. 1 The policeman ..... a scream in the dark along the street. was walking when he ..... 2 The children got back late at night when they saw a strange creature. 3 Tom introduced something to his friend. 4 Ann was having a scary feeling when she saw the empty house. 5 I..... a shower when the door opened