Ever ______ humans started to walk the Earth, they have lived in caves.

It's well worth a visit! And, it certainly won't take up too much of ________ time!

Wherever people live, they need to protect themselves _____ the weather.

__________ the house is very small, it's still extremely practical.

Britain´s smallest house is _______ as Quay House and is a popular tourist attraction.

Modern-day caves have some unexpected advantages. For anyone who has ever visited _______, the benefits are immediately apparent.

_______ are places in the world where these artificial caves are still inhabited.

There's a living area with cooking facilities and there's enough room for a bed too. So, if you're ever in Conwy, why ________ pop in and see it for yourself?

The house was built in the 16th century and remained _______ use until 1900.

The rooms were so small that he couldn't stand up in them fully. Eventually, he _______ up moving out because it was so uncomfortable.

On volcanic islands, people found the rock was soft _______ to dig into to make caves.

To start with, people ________ use of natural caves.