When the guard (inspect) .was inspecting. the bag, he (hand) .handed. it back to Mark.
When the guard (inspect) ....was inspecting..... the bag, he (hand) ....handed..... it back to Mark.
When the man (fall) ... from the window, he (land) ... on the roof of a car.
They (collect) ... more than 100 pounds of moon rocks and done science experiments on the lunar surface before they (come) ... back to the Earth.
..., I go to the cinema, only when there's a film I really, really want to see.
A. Over the moon B. Once in a blue moon C. The sky's the limit D. Out of this world
He (1. work) ... on a ship during World War II before he (2. go) ... back to university.
To walk on the moon, the astronauts had to carry a suitcase ... contained oxygen.
A. which B. it C. having D. where
*Complete the sentences with the words from the box.
| spacecraft | galaxies | rockets | parabolic flight | weightlessness |
| maintenance | telescope | missions | altitudes | space tourism |
1. The feeling of ……………………in space is surreal.
2. It becomes harder to breathe in very high …………………….
3. It takes a lot of ……………………to keep this rocket in great condition.
4. There are 8 planets in our galaxy but many more in other…………………….
5. ……………………are responsible for many discoveries in scientific history.
6. When an airplane is in ……………………, passengers can feel weightless.
7. It is believed that ……………………will become popular in the next 50 years.
8. NASA has had many failed ……………………but they are hopeful that this mission will succeed.
9. The International Space Station has developed many new ……………………in the last 10 years.
10. My little brother wants to work for NASA when he grows up so he can help build …………………….
Thus, although (danger) ..., it was required so as to push the spacecraft off the earth and into space.
Thus, although (danger) ..., it was required so as to push the spacecraft off the earth and into space.
Although he did his test, he had to be ... with third place in the competition.
A. content B. contestant C. pleasing D. satisfying
