53. Every weekend they go to the gym for a __________ by playing table tennis.
A. workout
B. manual
C. function
D. pump
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54. These machines have increased only marginally in value over the past __________.
A. economy
B. zone
C. percent
D. decade
55. To find out our interest and set up a goal or an aim for us is really __________ to success.
A. golden
B. critical
C. normal
D. regular
56. After 3 years in a foreign country, every hour at home was __________.
A. charming
B. precious
C. intense
D. positive
57. Dr. Smith and his team have been trying to __________ him up physically.
A. build
B. sign
C. take
D. burn