Parafraza: 1. The marathon runner was so exhausted that he couldnt cross the finish line.
So ……. that he couldnt cross the finish line.

2. The secretary had just printed all the documents when the computer brodke down.
Hardly …….. all the documents when the computer brodke down.

3. Experts believe our obsession with cleanliness is one of the factors driving an eczema epidemic.
BE Our obsession with cleanliness …… driving an eczema epidemic.