1. The vision of that big black car hitting the sidewalk a few feet from us will never be ________ from my memory.
A) ejected B) escaped C) erased D) omitted
2. At present, it is not possible to confirm or to refute the suggestion that there is a causal relationship between the amount of fat we eat and the ________ of heart attacks.
A) incidence B) impetus C) rupture D) emergence
3. There are many who believe that the use of force ________ political ends can never be justified.
A) in sea