A6. We all share some of the blame ... the accident.
1) in
2) on
3) for
4) to
A7. He did the work ... the best of his ability.
1) at
2) on
3) with
4) to
A8. Don't be so rude ...Jeremy and you needn't show that you are superior ... him.
1) to, to
2) with, to
3) at, with
4) to, of
A9. I took you ... your brother ... a distance. You look so alike.
1) for, from
2) on, in
3) after, at
4) over, on