Question

Many students_______ from the new library since it was open to all

1. A.
   benefited
2. B.
   were benefited
3. C.
   have been benefited
4. D.
   have benefited

Answer 1

D
试题分析：句意：自从图书馆开馆以来许多学生从新的图书馆受益。benefit from因......而得益；因为since自从，它常与现在完成时连用，故排除AB；又因为主语many students与benefit之间是主动关系，故排除C，所以应选D。
考点：考查动词时态及语态的用法。