问题补充：
Most Jewish families many difficulties during the Second World War.
A. went through
B. went over
C. went on
D. went up
答案：
(答案→)A. went through
B. went over
C. went on
D. went up
解析：句意:在第二次世界大战期间，大多数犹太家庭经历了许多困难。went through经历； went over复习，检查；went on 继续； went up 上升，上涨。根据句意经历了困难，故选A。
