I stayed in ________ when I went to Japan.

There are billions of stars in __________ .

Astronauts travel into space in _________ .

There are lots of _________ in our galaxy.

__________ orbit the Earth.

_________ have to wear special space suits in space.

When people work here, they usually sit at desks and use computers.

When I was a child, I lived in a small (1) ________ in a big, noisy (2) ________.

This is the name of our planet.

At the moment, spaceships can’t take people to ________ .

I found some great information ______ the Internet.

Unfortunately, many animals will become ______ in 50 years.

Scientists will cure all _______ in the future.

What does 'prediction' mean?