------“Where was Li Ming last night ?” -

问题选择题

------“Where was Li Ming last night ?”

------“I saw him ____ his homework in the classroom.”

A．was doing

B．did

C．doing

D．to do

答案

答案：C

题目分析：考查现在分词做宾语补足语：句意：--黎明昨天晚上在哪里？--我看见他正在教室做作业。See sb doing“看见某人正在做”，doing是现在分词做宾语补足语，选C。