1. Neil Armstrong was the first man who walked on the moon.

Neil Armstrong was the first man to walk on the moon

2. I come from a city that is located in the southern part of the country.

I come from a city located in the southern part of the country

3. The children who attend that school receive a good education.

The children attending that school receive a good education

4.The scientists who are researching thr causes of cancer are making progress.

The scientists researching the causes of cancer are making progress

5. They live in a house that was built in.

They live in a house built in...

6. We have an apartment which overlooks the park.

We have an apartment overlooking the park

7. Yuri Gagari became thr first man who flied into space.

Yuri Gagarin became the first man to fly in to space

8. We stood on the bridge which connects the two halves of the building.

We stood on the bridge connecting the two halves of the building

9. I come from a city which is located in the southern part of the country.

I come from a city located in the southern part of the country

10. The vegetables which are sold in this supermarket are grown without chemicals.

The vegetables sold in this supermarket are grown without chemicals