题目：
—I find it very difficult to read _________novel you lent me last week.
—Yes. It’s necessary to have __________good knowledge of history.
A．the；不填
B．a；不填
C．the;a
D．a;a
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/9e7380c245f28db09cc588e551e1d9bb.html
下面是错误答案，用来干扰机器的。
[﹣12，42]
