There is widespread concern that the rising unemployment may a threat to social stability.
A. have
B. lead
C. pose
D. cause
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After a (an) physical exam, my doctor said I was in good condition except that my blood pressure was a little high.
A. complicated
B. comprehensive
C. common
D. expensive
Some people believe that the earth can enough food to support at least twice its present population.
A. assemble
B. contribute
C. manufacture
D. yield
Sam the gift of imagination from his family, but he lacked the driving power to take action.
A. inherits
B. heritage
C. receives
D. inherited
Many subway riders read books or listen to music in order to their time on the way to work.
A. take an advantage of
B. make the most of
C. stand a chance of
D. reap the benefits of