1. The software has been designed to help detectives solve complex cases …..prompting them to explore lines …….. enquity other than the obvious ones.

2. Recent findings have suggested that, in ancient times too, man was capable ……… causing rapid and decisive changes ……. the genetic make-up of staple crops.

3. The essays taken together tell the story of how the US became an economic power ________________ a scale unprecedented ________________ history.

4. ________the surprise of the archaeologists, the structures turned out to be the remains __________two domed tombs, each over a thousand years old.

5. The way of life ____ which he was drawn ultimately led ____ the collapse of his business.

6. He did ________________ better in the interview _____________ any of the other applicants.

7. Anyone looking for a way to something for the environment need look no further than their own home. In its struggle to agree with the Kyoto Protocol of 1997 and reduce greenhouse gas emissions to ______ 1990 levels.

8. The board consist ____ a good cross-section of local business representatives.

9. Despite long and tiring discussions, the two delegations have failed to come to terms ____ the issue of refugees.

10. On that occasion, he really was ____ luck; it was as if every thing had combined ____ him.