2 Choose the correct words. 1 They took CCTV pictures of the shoplifter while
she stole / was stealing CDs.
2 While the hackers created / were creating
a new virus, the FBI began an investigation.
3 The robbers were trying to steal an enormous
diamond when the police arrived/ were arriving.
4 He was walking in the forest when he found /
was finding a gun.
5 While the vandals were breaking windows,
someone called / was calling the police.
6 Thieves entered the house while everyone
slept / was sleeping.