A. Complete sentences using the given words or phrases:
26. Astronaut Neil Armstrong / step down onto/ moon / July 20th, 1969/.
Astronaut Neil Armstrong stepped down onto the moon on July 20th, 1969.
27. there / intelligent beings / other planets / our solar system?
Are there intelligent beings on other planets in our solar system?
28.I / terrified /see/ unknown flying thing / which / look like / alien spaceship / other day.
I was terrified to see an unknown flying thing the other day, which looked like an alien spaceship.
B. Sentence rewriting:
29. I will always remember the day the first man set foot on the moon. (NEVER)
I will never forget the day the first man set foot on the moon.
30. We were driving down the hill. A strange object suddenly appeared in the sky. (WHEN)
When we were driving down the hill, a strange object suddenly appeared in the sky.

A. 

26-Astronaut Neil Armstrong stepped down onto the moon on July 20th, 1969.
27-Are there intelligent beings on other planets in our solar system?
28-I was terrified to see an unknown flying thing the other day, which looked like an alien spaceship.

B.

29-I will never forget the day the first man set foot on the moon.

30-When we were driving down the hill, a strange object suddenly appeared in the sky.