NM

* Write the correct form of the words in brackets.
1. The Apollo 11 moon landing was a ……………………achievement. (history)
2. A Mars ……………………is a place that humans can live in on Mars. (habitable)
3. One of the basic ……………………to join NASA is American citizenship. (require)
4. The astronauts are performing NASA’s first routine ……………………outside the International Space Station.(maintain)
5. John Young was one of NASA’s most ……………………astronauts and the first astronaut to fly into space six times. (experience)

DL
19 tháng 1 2022 lúc 20:32

1,historic

2,required 

3,requirements

4,maintenance

5,experienced

Bình luận (3)
PL
19 tháng 1 2022 lúc 20:32

1, historical

2, habitat

3, requests

4, maintainment

5, experienced

Bình luận (1)

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