When we saw the road with snow we decided to spend the holiday at home.(·北京 29)A. blo

问题补充：

When we saw the road with snow，we decided to spend the holiday at home.

(·北京，29)

A. block

B. to block

C. blocking

D. blocked

答案：

A. block

B. to block

C. blocking

(答案→)D. blocked

解析：

考查非谓语动词作宾语补足语的用法。句意为：当看到道路被雪封住，我们决定在家度假。block与road为动宾关系，故选D项。