the classroom, the teacher found all the parents already there.
A. Entered; seated
B. Entering; seating
C. Entered; seating
D. Entering; seated
网友回答
A. Entered; seated
B. Entering; seating
C. Entered; seating
(答案→)D. Entering; seated
解析：
这题考查非谓语动词的用法，第一空填entering做时间状语，老师进入教室是主动的关系，所以用现在分词，第二空seated做宾语补足语，seat是“使…就坐”，the parents和seat是被动的关系，所以用find sb done结构，选D。