Fill in the blanks with the correct form of verbs
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Exercise 2. Fill in the blanks with the correct form of verbs.
/posibilities that we need to be able to live on a planet.
1. UFOs (be)
2. The gravity of the Earth makes thing (fall)
them.
spaceships from other planets.
to the ground when we (drop)
when they (travel)
3. I asked my teacher what food spacemen usually (eat)
in a spacecraft.
4. My mother asked me what I (do).
then.
5. Astronomers are concerned about light pollution because they have difficulty in (view)
outer space.
6. Jack asked his teacher what the weather (be)
7. My sister wondered where she (can).
8. Red dust (cover)
9. Mercury (take)
almost all of Mars.
Comeon Uranus.
find information about the solar system.
59 Earth days to make one full rotation.
Exercise 2. Fill in the blanks with the correct form of verbs.
/posibilities that we need to be able to live on a planet.
1. UFOs (be)
2. The gravity of the Earth makes thing (fall)
them.
spaceships from other planets.
to the ground when we (drop)
when they (travel)
3. I asked my teacher what food spacemen usually (eat)
in a spacecraft.
4. My mother asked me what I (do).
then.
5. Astronomers are concerned about light pollution because they have difficulty in (view)
outer space.
6. Jack asked his teacher what the weather (be)
7. My sister wondered where she (can).
8. Red dust (cover)
9. Mercury (take)
almost all of Mars.
Comeon Uranus.
find information about the solar system.
59 Earth days to make one full rotation.