问题补充:
When I got back home, I saw a message pinned to the door“ Sorry to miss you, I will call later.”
A. read
B. reads
C. to read
D. reading
答案:
A. read
B. reads
C. to read
(答案→)D. reading
解析:考查分词用法。本题的动词read与名词message之间构成主动的关系,故使用现在分词的形式做定语修饰名词。句意:当我到家的时候,我看门上钉着一个信息,上面写着对不起没有找到你,晚些时候我还会来的。巩固D正确。