The monitor of class 9 is liked by everyone ,but monitor of class 11 isn‘t liked by others.
问题描述：
The monitor of class 9 is liked by everyone ,but monitor of class 11 isn‘t liked by others.
第二个monitor的前面为什么不加the
答
应该要the才对.不知道你的题是哪里的,可能打印错了