When we saw the road with snow, we decided to spend the holiday at home.
A. cover
B. to cover
C. covering
D. covered
网友回答
A. cover
B. to cover
C. covering
(答案→)D. covered
解析：
试题分析:句意：当我们看到被雪覆盖的道路时，便决定在家里度过这个假期。在see +宾语+补语结构中，宾语road和动词cover之间是被动关系，应该用过去分词表示被动，答案选D。