Eglish Grammar Prepositions (with, over, by)

1) If she left at 4 p.m., she should be here                      (with, over, by) now.
2) Go                      (with, over, by) there and catch my ball.
3)                      (With, Over, By) your determination, you will be able to achieve your dream.
4) I just found it! It was                      (with, over, by) the radio on my desk.
5) I knocked him                      (with, over, by) accidentally.
6) She was                      (with, over, by) me when the accident occurred.

Answers

 1) by
 2) over
 3) With
 4) by
 5) over
 6) with