In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Comprehension:
All of us know that the American astronaut Neil Armstrong was the first (1) _____ to set foot on the Moon in July 1969. Human footprints on the lunar (2) ______ won’t disappear for millions of years. That is because there is no rain or wind to (3) ______ them. The surface area of the Moon is 25% larger than that of Africa. Astronauts have so far brought back hundreds of kilos of rock and dust from the Moon to (4) ______. It takes the Moon 27.3 days to travel around the Earth. As it does so, we see different amounts of its side (5) ______ by the Sun.
That is why it appears to get larger and then smaller.