Listen to the radio programme about spacewalks and complete the sentences.

1. Most people think that _____ are the biggest threat on a spacewalk.

2. Parmitano was doing a spacewalk from the International Space Station _____ kilometres above _____.

3. The problem in Parmitano’s helmet was made worse because of the zero _____.

4. There haven’t been any deaths on spacewalks since they first started in _____.

5. People can sometimes see _____ on a spacewalk. It isn’t always dark.