I was at the letter, which was to my classmates.
A. amaze; amazing
B. amazing; amazed
C. amazed; amazing
D. amaze; amaze
网友回答
A. amaze; amazing
B. amazing; amazed
(答案→)C. amazed; amazing
D. amaze; amaze
解析：考查amaze的用法。be amazed at对…感到惊讶，主语为人，故第一格应用amazed;第二格表示这封信令人惊讶的，故选C。