* 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)

* Choose the correct answers to complete the passage.
Space travel for human beings did not develop until several centuries later when, in 1961, Russian Yuri Gagarin became the first person to (1) …………………the Earth. The next major (2) …………………in space travel came in 1969 when the three-man Apollo 11 mission landed on the moon - resulting in the first humans (3) …………………walked on the moon!
Soon (4) …………………the Russians and Americans sent people into space, engineers also started working on spacecraft that would house astronauts for longer periods (5) …………………they could plan for extended trips and (6) …………………scientific experiments. These predecessors to the International
Space Station include the Apollo-Soyuz, the first international (7) …………………; Skylab, the first American craft for long-term use, and Mir, the Russian space station that held international scientists during 1986 to 1996.
Unmanned spacecraft are an (8) …………………part of the discovery of our solar system and beyond.
Some satellites observe the Sun, solar system, and the universe (such as the Hubble telescope or Viking, the Mars probe), and other satellites observe our planet from (9) ………………… (for weather forecasting, etc.). Still other satellites observe and sample specific environments or are used (10) …………………for the purpose of benefiting humanity (like GPS and communication).
1. A. rotate B. surround C. orbit D. explore
2. A. development B. exploration C. milestone D. mission
3. A. which B. whose C. whom D. who
4. A. when B. upon C. about D. after
5. A. provided that B. so that C. since D. when
6. A. gain B. take C. make D. perform
7. A. spacecraft B. spacewalk C. spaceline D. space flight
8. A. interesting B. active C. integral D. effective
9. A. above B. abroad C. outside D. beyond
10. A. exactly B. solely C. broadly D. properly

* Choose the best answer in the brackets to complete the following sentences.
1. Astronauts are scientists (whom / that / Ø) travel into space.
2. They showed me the place (when / which / Ø) the spaceship landed last week.
3. The book (who / where / Ø) I’m reading is about the history of space exploration.
4. The man with (who / whom / Ø) Mr. Khoa is talking has flown into space three times.
5. The satellite (where / that / Ø) was launched into space yesterday belongs to Viet Nam.
6. David introduced me to the woman (whom / whose / Ø) husband is working for NASA.
7. 1969 was also the year in (which / when / that) the Venera 5 space probe landed on Venus.
8. The twenty-ninth of May is the day (that / which / Ø) our astronauts will be returning home.
9. The student (who / whom / Ø) was selected to join the space program is my brother’s friend.
10. The space age began in 1957 (when / which / Ø) the Soviet Union launched Sputnik 1, the world’s first man-made satellite.

* Write questions to complete the conversations.
1. A: ……………………………………………………………………………………………………………………
B: The first woman to be in space is Valentina Tereshkova.
2. A: ……………………………………………………………………………………………………………………
B: Valentina Tereshkova was born in Maslennikovo, near Yaroslavl, Russia.
3. A: ……………………………………………………………………………………………………………………
B: She was only 26 when she made her one and only space flight.
4. A: ……………………………………………………………………………………………………………………
B: She was sent into space in the spacecraft Vostok 6.
5. A: ……………………………………………………………………………………………………………………
B: The spacecraft was launched on June 16,1963.
6. A: How many times did she orbit Earth in her space capsule, Vostok 6?
B: She orbited Earth 48 times in her space capsule, Vostok 6.
7. A: ……………………………………………………………………………………………………………………
B: She was picked for the cosmonaut program because of her expertise in parachute jumping.
8. A: ……………………………………………………………………………………………………………………
B: Tereshkova parachuted from the Vostok 6 after re-entering the earth’s atmosphere.
9. A: ……………………………………………………………………………………………………………………
B: She landed in the Altay region near today’s Kazakhstan-Mongolia-China border.
10. A: ……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
B: It took another 19 years until cosmonaut Svetlana Savitskaya became the second woman to travel into space.

* Put the verbs in brackets into the correct tense.
1. Gagarin (fly) ……………………into space eight years before Armstrong (walk) ……………………on the moon.
2. Fruit flies (be sent) ……………………into space before Laika the dog (make) ……………………her space journey.
3. When the USA (put) ……………………the first human on the moon, Russia (send) ……………………the first human into space.
4. By the time Laika (become) ……………………the first astronaut dog, fruit flies (be launch)……………………into space.
5. When Virgin Galactic (establish) ……………………in 2004, Dennis Tito already (travel)……………………into space.