问题
选择题
I could _______ by the way she walked that her knee was still bothering her.
A．separate
B．tell
C．find
D．divide
答案
答案：B
题目分析：句意：我可以通过她走路的方式辨别出她的膝盖还让困扰着她。这里使用动词，四个选项的含义分别是：A. separate分离，B. tell告诉，区分，辨别，C. find发现，D. divide分开，所以选B。