Complete the sentences with the Past Simple or Past Continuous form of the verbs in brackets.

1 The professor was talking (talk) to his companion when he ________ (see) a snake on the path.

2 One day I ________ (lie) in my hammock when a plane ________ (fly) overhead.

3 Sanchez ________ (not go) into the forest because he ________ (be) afraid of the monkeys.

4 She ________ (have) an argument with her husband when they ________ (hear) an enormous explosion.

5 Thieves ________ (steal) my luggage while I ________ (wait) at the airport.

6 The flight attendant ________ (lose) his cool when a passenger ________ (stand up) and ________ (start) to scream