2 * Match sentence halves 1-6 with a-f. Choose the correct word in brackets to join the sentences. d 11 1 l was running to school... 2 We opened the letter... 3 We took some photos of tigers... 4 They were playing tennis... 5 I saw an amazing rescue... 6 She phoned the police... a she saw the boy fall through the ice. (while / as soon as) b they lost the ball. (when / while) c we were travelling through India. (while / as soon as) d I met my best friend. (when/while) e it arrived. (while/as soon as) f I was watching the news on TV. (while / as soon as)