In the following passages some of the words have been left out. Read the passages carefully and choose the correct answer to each question out of the four alternatives and fill in the blanks.
Whenever I (156) at the moon, my heart (157) with pleasure. I wish I had (158) to fly up to the moon, I know if I could (159) to become an (160), I would be able to go to the moon. special equipment and a (161) training are required to go to the moon. I would have to wear a special (162) along with a gas-mask for (163). My space shuttle would be equipped with (164) cameras and other scientific (165).

• special

• ordinary

• common

• common