Idioms with prepositions - 7

Match the prepositions with the phrases to complete the sentences:

Name:

1. I should be able to help you there - we've been them for years.

2. It should be   to accept the promotion.

3. You should be   as to who is the boss around here. He may be the Director, but I run the place.

4. I don't have the figures . Can I call you back in half an hour?

5. I was   you had the power to decide.