Passage Correction

Passage : Our body is a wondrous mechanism and when revealed ---1--- to unusual stress over a spell---2--- of time, it adapts itself to deal more effectively with that stress. So, if ---3--- you exert your muscles to ---4--- resistance, they are forced to adapt and deal with the extraordinary workload. Strands of muscle fibres become thicker and stronger in response to the demands placed over -----5---- them.
1. Choose the best word in the given passage.
  A.  put
  B.  rendered
  C.  subjected
  D.  exposed
2. Choose the best word in the given passage.
  A.  period
  B.  lapse
  C.  interval
  D.  no correct required

3. Choose the best word in the given passage.
  A.  as
  B.  since
  C.  while
  D.  when
4. Choose the best word in the given passage.
  A.  upon
  B.  against
  C.  for
  D.  towards
5. Choose the best word in the given passage.
  A.  to
  B.  on
  C.  for
  D.  over
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