D Complete each sentence with the correct preposition from the pair in brackets. 1 second thoughts, I'll have the lentil soup after all. 2 Giles was mortified to discover that he had sent Cordelia a photograph of his ex-girlfriend 3 The results will be published mistake. (by/at) (In/On) due course. (in/on) 4 'Could I possibly use your phone?' 'Oh, all means.' (by/in) UNIT 21 5 The intrepid women explored the remotest part of the sierra 6 horseback. (by/on) all likelihood, we will never know the real reason. (In/On) 7 Kindly sign the contracts in triplicate and send back to head office return. (by/on) 8 Nobody helped him. He managed it all his own. (by/on) 9 The company is keeping its head above water this year, but it will have to become more efficient 10 The proposal looks good practical application. (in/on) the long run. (in/on) paper, but there may be snags in its 11 The victims of the industrial accident should,. compensated by the factory owners. (at/by) rights, be