Hjælp til præpositioner

Hej, jeg har fået denne opgave. Har brugt de følgende præpositioner, men det passer dog ikke. Nogen der kan sige mig hvor det går galt? Tak på forhånd. 

Insert the prepositions from the box in the text:

Behind. For. Of. On. After. For. On. of For. On. Of.
Off. By. At. about To. In. At. With. On. about On.
for With. by Off. At. On. Of. In. On. During. on

The Survivor
I’m going to spend my winnings__on__fast cars and diamonds, says Charlotte the Survivor.

__After___weeks of living __of__rice and rats, you can hardly blame her __on___wanting to have some fun. The Survivor, a woman___on___24, used a combination_of_steeliness and charm to beat 15 other contestants __in___the ITV reality gameshow. “You’ve got to be slightly devious and plot ___behind___people’s backs,” she explained. Flirting and crying were her weapons___during___the 40-day stay ___on__the island ______Pulau Tiga ____in____Borneo.

The last round broadcast___on___the 25th of July was called “the battle___of__the bitches”, and the winner was found___after____the seven previous contestants to be sent ___off___the island.

The series was pre-recorded half a year ago and the contestants sworn to secrecy __about____the results but there was speculation that Charlotte had won when she returned home__to__South Glamorgan__in_Wales and quit her job.

Last night__at___8 p.m. when it was revealed that she had won, Charlotte said she would try to be sensible____with___the money and work __on___her marriage. She felt bad__for____having cheated____on__her husband. “It has been hard__for____everybody but now it’s something we have learned to cope ____with___,” she said. Last night the couple attended a party__for___the contestants _____at___the Survivor studio___in____Pinewood, Buckinghamshire.

When she arrived___to___the island, Charlotte was considered as one _of___the weakest contestants. Fellow contestants said they had been taken_off_____ ___by____her femininity. She was far cleverer than she appeared.

Charlotte is only the third millionaire to be created__in____a British gameshow__in____four years.