The children all sadly at the broken model plane and quite sad.
A. looked; were left
B. were looked; felt
C. looked; were feeling
D. looked; felt
网友回答
A. looked; were left
B. were looked; felt
C. looked; were feeling
(答案→)D. looked; felt
解析：
D 根据副词sadly可知look是行为动词，表示主动，因此用过去式looked；第二空sad是形容词，因此feel是系动词，没有被动形式，也不用于进行时态。因此只有D项正确。