Choose the correct word to complete the sentences.

1. I’m afraid I deleted your email __________________ accident.
A) on
B) in
C) by

2. Did she hit him __________________ purpose?
A) on
B) by
C) in

3. I just saw them __________________ chance.
A) with
B) by
C) on

4. Most of these files are __________________ date.
A) out-of-
B) out-from-
C) out-for-

5. My wife is away __________________ business at the moment.
A) in
B) on
C) by

6. I’m afraid I’m busy __________________ the moment.
A) on
B) in
C) at

7. I’ve got to go; I’m __________________ a hurry.
A) in
B) on
C) at

8. I won’t go there again __________________ future.
A) on
B) in
C) at