21. Anne, _________ Jewish girl, dreamed about getting close to nature, so she once stayed awake on purpose at_________ midnight.
A. /; the B. the; the C. an; / D.a; /
22. The poor little boy has suffered a lot _________ his parents died in the earthquake in 2008.
A. once B. since C. when D.though
23. They became good friends during the war, so their friendship _________ tests of life and death.
A. went through B. went on C. went up D. went out