I. Complete the sentences with the idioms in the box. Some idioms can be used in more than one sentence.
•    over the moon •    once in a blue moon
•    out of this world •    the sky’s the limit
1. You can choose any colours and any materials you like for this painting __________________!
2. She was __________________because she`d won the scholarship.
3. -    I`ve noticed you and Elmer only play football _________________these days?
-    That`s because we`re busy with our astronomy club.
4. We had such a good time last summer in Mui Ne. It was a(n) ______________holiday!
5. Now that you`ve graduated from college, _________________!
6. The cake you brought yesterday was ________________! It was so delicious!
II. Choose the best answer using what you have learnt about life aboard the International Space Station (ISS).
1. Astronauts wash their hair with (normal shampoo/rinseless shampoo).
2. Astronauts (always/don`t always) float around in their spacecraft.
3. The main work of the crew is to (do experiments/listen to music).
4. The ISS (communicates with/is independent from) a control centre on the ground.
5. Astronauts eat (fresh/packaged) foods.
6. Astronauts (like/are not allowed) to look out of the windows to watch the earth.
III. Change the form of the verbs in brackets to either the past perfect or past simple to complete the passage.
Helen Sharman, the first Briton in space, (1. be) ______________born on May 30th 1963 in Sheffield, England. Before becoming an astronaut, Helen (2. work) ______________as a technical research engineer for the Mars chocolate company. In 1989, she (3. hear) ______________ an advertisement for astronauts on the radio, and (4. apply) ______________ for the job. Helen (5. choose) ______________ as one of the final four candidates out of over 13,000 other applicants. She (6. send) ______________to the Mir space station in May 1991 for eight days to conduct scientific experiments after she (7. complete) ______________her 18 months of astronaut training in Moscow, Russia.

IV. Choose the best answer.
1. The book ________ Amelie is reading now is about the Big Bang theory.
A. which B. who     C. where
2. In winter, many Swedes travel to a country________ there`s a lot of sunshine.
A. which     B. where     C. who
3. This is the space tourism service________ is being advertised on our website.
A. that     B. who     C. when
4. ‘The cinnamon buns________ my mother makes are the best in the world!’ he said.
A. when     B. that C. whose
5. A spacewalk occurs________ an astronaut gets out of a vehicle while in space to do science experiments, or conduct repairs.
A. who     B. what     C. when
6. The dance club________ Mai often goes to will be doing a performance this Christmas.
A. when     B. who     C. which
V. Combine the two sentences using defining relative clauses.
1.    He read the poem to us. The poem has been translated into several languages.
- The poem _______________________________________________________.
2.    What did you do with the money? Your grandparents gave it to you.
- What did you do with the money_____________________________________.
3.    I used credit card to buy a computer game. The game is called ‘Mars Mystique Mission’.
- I used___________________________________________________________.
4.    I met the girl in the library. I`ve told you about this girl.
- I met the girl______________________________________________________.
5.    They work for a company. The company offers space tourism.
- The company___________________________ __________________________.
6.    The couple are from Ireland. The couple have just moved in next door.
- The couple_______________________________________________________.
VI. Put the sentences (A-F) in their appropriate place to complete the conversation.
A.     Growing potatoes on Mars?
B.     Yes, he knew how to do it because he was a botanist.
C. Is it called the ‘The Martian’?
No, I haven`t seen it. But the poster looks exciting!
D.     I don`t know. I haven`t seen it either!
E.     They were caught in a fierce storm, and Matt Damon became separated from the others.
F. He survived by growing potatoes to eat.
- Have you seen the new film about an astronaut who lives on Mars?
- (1) _________________________________________________________________
- It`s Matt Damon in the poster. He was believed dead by his crew, and was left