The key answer of exercise 6

1 → Conversation 2

• they have machines which can swipe the card (here, swipe means to pass a plastic card through a piece of equipment that reads the information)
• it could’ve been when I bought those new trainers on the internet
• That must be a relief (that = the fact that she’ll get the money back)

2 → Conversation 3

• Why would you want a whole stuffed elephant? (stuffed = filled with a material so that the animal is preserved)
• It’d be a bit of a shock (it = finding live crocodiles in a bathroom)
• I suppose he must’ve drugged them (them = the crocodiles and lion)

3 → Conversation 1

• these lads came up to me with a map, asking for directions
• Fortunately not (= not much in my bag)
• I didn’t let it spoil the holiday (I just carried on and made sure I enjoyed the holiday)