21. If you go by ________ train, you can have quite a comfortable journey, but make sure you get ________ fast one.
A. the; the B. /; a C. the; a D. /; /
22. The Southern States wanted to ________ the Union, so the American Civil War________.
A. get away with; broke down B. get away from; broke down
C. break away from; broke out D. break away from; was broken out
