Complete the text with: for, since, just, already, yet. we designed several towers for a german bank in 2003, and we have designed about ten towers then. in fact we have finished the second of the three stadmanton towers. they opened the building this morning. i love towers, but i am a bit of nervous about tower. nobody has built a 400-metre tower we haven't started the walls for tower , but we have prepared the ground, and that's the most important part of the building. i started at stockholms, i have learnt that preparation is everything.