Read the text and choose the correct answer A, B, C or D for each of the gaps

If you look at the sky (1) _______ a clear night, you (2) _______ see that there are so many twinkling lights that nobody is able to count them all. Most of these lights are (3) _______. They are like big moving (4) _______ in the sky. The starts we see (5) _______ night are much farther away from our sun, (6) _______ is also a start. Some of these starts are like (7) _______ earth, they are of more solid material. They are called planets. They shine just as a mirror does when you hold it against the sunlight. Instead of (8) _______ out the light of their own, these planets reflect the light of our sun. The other planets of the sun are much (9) _______to our planet earth than the starts are. However, these other planets are very far away. It would take a spaceship travelling more than 60,000 miles an hour about five months (10) _______ the nearest one.

(1) __________

• A. 
  at
• B. 
  on
• C. 
  in
• D. 
  by