Choose the correct words to complete the sentences. Listen and repeat. Then practise saying the sentences in pairs.

There are more than _______ types of robots.
1. two
2. to
We want to know ______ AI technologies are used today.
1. wear
2. where
_________ have been some worries about AI taking over the world.
1. There
2. Their
Robots can work for long _______ without feeling tired.
1. ours
2. hours
We have _______ idea about the future of AI in space exploration.
1. no
2. know