Language focus 4 Complete the sentences with the correct form of the verbs in brackets. (10 marks)

He was waiting for a taxi when he heard (hear) a loud crashing noise.

1 It (rain) hard as I left the house.

2 The security guard (not look) when the robbers entered the building.

3 A big dog (jump) on top of me while I was running in the park.

4 I went on holiday while I (wait) for my exam results.

5 One of the passengers suddenly (feel) sick as the plane was waiting to take off.