7 Fill in the prepositions on, for, through, to, of, in, from if necessary.
Lots of people dream of travelling into space.
If you do, you have to choose where to
travel It's difficult to imagine that there are
about 20 stars ... each being ... our planet.
A group ... stars is called a galaxy. It will take ...
you 100,000 years to travel ... one edge of it ...
the other. But people hope they will travel ...
space ... huge starships far ... the Earth.

Shkolnikvolodya    3   13.09.2020 15:59    20