Part 3. Complete the sentences with one of these words: as, since, when, after, once, on. Use each word only once. 1. ……………..taken out of the oven, the cake should be left to cool on a wire rack. 2. She’s been bedridden …………….. undergoing her last operation, making the arrangements for the wedding, don’t forget to order the flowers. 3. ……………..having concluded the interviews, they spent some time discussing the respective merits of the candidates. 4. …………….. being welcomed to the town, Lady Higginbottom gave an eloquent speech in reply. 5. He struck me…………….. being rather eccentric