以下の英文（1～5）の（ ）に入る最も自然で適切な語句を選択肢の中から一つだけ選び、それぞれの解答用紙の記号（(a),(b),(c),(d)または(e)）を鉛筆で塗りつぶしなさい。

• 1 At the hospital, the senior doctor often turned a ( ) eye to the junior doctor's mistakes, therefore many medical incidents happened.
  • (a) black
  • (b) blind
  • (c) pink
  • (d) red
  • (e) white
• 2 Mr Miller's work isn't ( ) and things have gone from bad to worse. I wouldn't be surprised if he gets kicked out of the school.
  • (a) up and about
  • (b) up and down
  • (c) up and up
  • (d) up in the air
  • (e) up to scratch
• 3 Health care providers need to accept and adapt to changing market conditions, instead of ( ).
  • (a) coughing their heads off
  • (b) getting into their heads
  • (c) getting their heads around them
  • (d) going over their heads
  • (e) sticking their heads in the sand
• 4 I need to write an essay on the ( ) of nuclear power plant policies.
  • (a) gain and lose
  • (b) hit and run
  • (c) nature and nurture
  • (d) pros and cons
  • (e) vitamins and minerals
• 5 The symptoms ( ) so the patient isn't sure if she's really sick.
  • (a) come about
  • (b) come and go
  • (c) come out
  • (d) come to be
  • (e) come to fruition