21. Though Jack has failed twice in _____ PE test, he decided to have _____ third try.
A. the; the B. a; the C. a; a D. the; a
22. The Southern States wanted to ______ from the Union, so the American Civil War ______.
A. get away with; broke up B. get away from; broke up
C. break away from; broke out D. break away from; was broken out
