Bringing with him lots of books, clothes, and two pairs of trainers, Zhang Tian travelled to the village with an eager heart. He imagined     1     exciting things about living independently and teaching in a village.

Our coach was not so sure. Paul had to     2     many times just for making the team. He was still usually on the bench, being just a replacement, which was really     3    .

Like any exercise, running increases the flow of blood and oxygen to your brain. It makes your heart stronger and allows more blood to flow around your body. It also     4     and reduces the risk of serious health problems, as well as     5     like colds.