Выполним задание, поставив глаголы в скобках в прошедшее время:
- If it 0) hadn't been (not/be) for Louis, Joan's trip to Paris 1) was (be) a complete disaster.
- She 2) hadn't met (not/meet) him before, but she 3) was (be) certainly glad that she had by the end of her stay.
- The first thing that 4) happened (happen) was that the hotel where she 5) had planned (plan) to stay 6) hadn't received (not/receive) her booking, so they had no room for her.
- Then, as she 7) tried (try) to get a taxi to take her to another hotel, someone on a motorbike 8) snatched (snatch) her bag with all her tickets and credit cards in it.
- As her French 9) was (be) quite rusty, she 10) didn't know (not/know) how to explain what 11) had happened (happen).
- It was then that Louis 12) approached (approach) her and 13) introduced (introduce) himself.
Ответ: смотри решение выше.