82. Some people can’t tell red _______ green, as there is a fault in their eyes.

问题描述:

82. Some people can’t tell red _______ green, as there is a fault in their eyes.
a. byb. onc. fromd. over
83. When John woke up he was in the hospital, but he didn’t know how that had come ________.
a. aboutb. aroundc. byd. across
84. People who live in a small village are bound to see a good _______ of each other.
a. quantityb. amountc. deald. degree
请问选择哪个?为什么?谢谢!

82.C:tell...from..固定搭配,区分,辨别83.A:come about 发生come across 偶然遇见come around来访,前来;苏醒,复原come by 从旁走过;得到 原句子翻译为,当约翰醒来时发现自己躺在医院,不知道发生了什么事情.84.A:a ...