Choose the sentences where the preposition BY should be used.

1) The socket was fixed ___ my husband.
2) Have you ever been stung ___ a bee?
3) The ham was sliced ___ a knife.
4) The magazine was bought ___ Joan.
5) The picture was taken ___ a good camera.
6) The boy was hit ___ a stick.
7) Their children were frightened ___ thunder.
8) Her room is cleaned ___ a vacuum-cleaner.
9) The test will be done ___ the best pupil.
10) These rings were sold ___ a newcomer.


* 
1, 2, 4, 7, 9, 10
* 
1, 2, 4, 5, 7, 8, 9, 10
* 
1, 3, 5, 6, 9, 10