Task 5.Give the correct form of the word given to complete the sentence.
1. After the Earth, Mars is the most ____habit______________ planet in our solar system. (HABIT)
2. Mr. Charles Green was commissioned to conduct the __ ASTRONOMY ________________ observations. (ASTRONOMY)
3. Microgravity means the state of __________________. (WEIGHT)
4. Dennis Tito had travelled into space as a tourist before the __________________ of the world’s first commercial space line Virgin Galactic. (ESTABLISH)
5. Astronauts wash their hair with __________________ shampoo that does not need water. (RINSE)
6. The tenants are always__________________ in paying the rent. (PUNCTUALITY)
7. The computer performs the whole__________________ in less than three seconds. (OPERATE)
8. Employing part time staff gives companies greater__________________. (FLEXIBLE)
9. Pollution is a threat to the__________________environment. (GLOBE)
10. Charles won the highest prize in a speaking__________________ last week. (COMPETE)
11. The area has good natural __________________. (DRAIN)
12. How many __________________ metres of water are needed to fill the tank? (CUBE)
13. She is a designer of extraordinary __________________ . (VERSATILE)
14. Critics said the government's policy was __________________ . (AFFORD)
15. She experienced a __________________ mixture of emotions. (CONFUSE)
16. My ideas needed more careful __________________ . (EXPLORE)
17. There are __________________ways of doing this. (VARY)
18. She works as a __________________ secretary for an insurance company. (LANGUAGE)
19. The new airport is now fully __________________. (OPERATE)
20. They always pay __________________ . (PUNCTUAL)
