Answer:
1. 'I'm sorry I am late', he murmured apologising.
2. The summit was approached only from the South.
3. They are thinking of the attraction of travelling abroad this summer.
4. Installation of the new system will take several days.
5. The company had received complaints both in verbing and in writing.
6. The government has been accused for not responding to the needs of the homeless.
7. We took a slightly more direct route.
8. This type of behaviour is no longer socially acceptable.
9. His casual behaviour was wholly appropriate for such a formal occasion.
10. Rob's very social - he likes his party.
