1. In time, it became an accepted fact that the Cox brothers employed a conscientious ghost that did most of their work for them.
    随着时间的流逝，考科斯兄弟雇了一个尽心尽责的鬼，他们家的活大部分都让鬼给干了，这件事成了公认的事实。

2. In her sixth period today, Mrs. Cox taught a poem by a well-known Black writer in the United States.
    今天第六节课，科克斯夫人讲一位美国著名黑人作家写的一首诗。

3. For Mrs. Cox, like most of the students in her school, is Black.
    这是因为科克斯夫人和学校大多数学生一样是黑人。