- A.copying
- B.developing
- C.moving
- D.charging
- A.for
- B.with
- C.of
- D.by
- A.like
- B.resemble
- C.as
- D.the same
- A.by
- B.without
- C.except
- D.from
Constance Hale says "email has been an incredible boon to communication". What does she mean by this?
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