You may find it that Charlie was taught to sing as soon as he could speak.
A. astonishing
B. astonished
C. to be astonished
D. to be astonishing
网友回答
(答案→)A. astonishing
B. astonished
C. to be astonished
D. to be astonishing
解析： 考查形容词作宾补。Find+宾语+宾补，不定式不能做find 的宾补；astonishing令人震惊的；astonished感到震惊的。根据句意，应是查理一会说话就被教给唱歌这件事令人震惊。所以选A。