问题补充：
When I was twenty, I had to before graduation and work in a clothes shop to help support my family.
A. drop out
B. come out
C. leave out
D. stay out
答案：
(答案→)A. drop out
B. come out
C. leave out
D. stay out
解析：题意为“在20岁时，我不得不辍学到一家服装店工作已帮助养活我的家人。”从题意可知，空缺处应该是“辍学”之意，四个选项中，只有A项的drop out 有此意，故答案为A。
【标签】动词词组辨析
