Question

When I entered the room, I found a little boy _____ on his mother’s knees _____

When I entered the room, I found a little boy _____ on his mother’s knees _____ to draw a picture.
A. seated; learning
B. sitting; to learn
C. seating; learning
D. sat; was learning

Answer 1

答案A
seat是腔郑猜及物动词，后没有宾语， 故此处用过去分词做丛蔽后置伍型定语 表示“坐在……”a little boy 是learn的执行者所以用learning。