When I got back home I saw a message pinned to the door “ Sorry to miss you; will call l

问题补充：

When I got back home I saw a message pinned to the door, “ Sorry to miss you; 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：句意：当我回到家时，我看到一个纸条钉在门上，写着“我没能见着你，以后再给你打电话”。message与read之间是主动关系，故用reading，应选D。