I. replace the relative clause in each of the following sentences by a suitable phrase using the -ing, -ed, or to infinitive form.
1.Neil Armstrong was the first man who walked on the moon
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2. I come from a city that is located in the southern part of the country
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3. The children who attend that school receive a good education
--->................................................................................................
4. The scientists who are researching the causes of cancer are making progress
--->....................................................................................................................
5. They live in a house that was built in 1980
--->.....................................................................................
6. we have an apartment which overlooks the park
--->..................................................................................
7. Yuri Gagarin became the first man who flew into space
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8. we stood on the bridge which connects thre two halves of the building
--->...........................................................................................................
9. I come from acity which is loccated in the southern part of the country
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10. The vegetables which are sold in this supermarket are grown without chemicals
--->................................................................................................................
11. Do you know the woman who is coming toward us?
--->.........................................................................................
12. The people who were waiting for the bus in the rain are getting wet
--->......................................................................................................
13. I come from a city that is located in the southern part of the country
--->...........................................................................................................
15. He was the first man who left the burning building
--->....................................................................................
16. The couple who live in the house next door are both college professors
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17. The people who are waiting for the bus in the rain are getting wet
--->.......................................................................................................
18. The students who did not come to the class yesterday explain their absence to the teacher
--->............................................................................................................................................
19. Did you get the message which concerned the special meeting?
--->.....................................................................................................
20. Lan is the second student who entered the classrom this morning
--->...........................................................................................................
