1 Complete the sentences with the correct form of the verbs. 1 The zookeeper wasn't watching when the elephant ran (run) away. 2 I was having lunch when the elephant (escape). 3 The elephant walked out of the gate while the zookeeper (feed) it. 4 A police officer saw the elephant while it (leave) the zoo. 5 The elephant was walking down the street when it (see) a banana. 6 The police officer caught the elephant while it (eat) the banana. 2