题目内容:
Prior to the late 1880s, most of us were so busy ()to make a living that we didn’t care what the other people were doing.
A.struggle
B.playing
C.trying
D.to try
参考答案:
Prior to the late 1880s, most of us were so busy ()to make a living that we didn’t care what the other people were doing.
A.struggle
B.playing
C.trying
D.to try