Поставьте правильный предлог.
1. The examinations will begin …… two weeks; we don’t have much time left.
2. … summer students have two-months holidays, but many of them work.
3. Skilled specialists … Information Technologies are always in great demand.
4. I need some additional information …… the latest developments in hardware architecture.
5. …… the end …… our studies we are to write a diploma paper.