A: When did the firefighters arrive (the firefighters/arrive) at the house?
B: I’m not sure. I (talk) to a neighbour at the time.
2 A: How (the hikers/get) lost in the desert?
B: While they (walk) there, a dust storm (start).
3 A: Why (you not/use) your mobile phone to call for help?
B: It (not/have) any battery.
4 A: We (just/reach) the cave when it (start) to rain.
B: You’re so lucky! We (not/come) down from the mountain yet, so we (get) really wet.
5 A: How (you/manage) to light a fire so quickly?
B: Quickly? I (try) for half an hour before I finally (succeed)!