1. Water p_________ is a serious problem in our country.

10. Being the host of the Olympic Games will have good or bad effects _____ the host city.

9. _________ the help of the map, we got to the camp on time.

8. Many of the world’ greatest cities have been built ____ the banks of the river. The Neva River flows _______ the center of St. Petersburg.

7. A notice about the coming sports meeting has been put ________ at the gate.

6. The workers will pull ________ the old tower and build a new one.

5. The team has been training hard ________ preparation _______ the big game.

4. Today Peter the Great ________ his bronze horse can once again look out ____ the city he built.

3. I’m very worried _________ his health.

2. Five athletes competed ________ the gold medal _______ each other _______ the 100 M dash.