(单选题)
When I passed the teachers’ office just now, I saw Mr. White ______ our homework.
A.to correct
B.correcting
C.corrected
D.be corrected
参考答案:B
参考解析:
考查现在分词作宾语补足语。句意:我刚刚经过教师办公室时看到怀特老师正在批改家庭作业。see sb. doing sth. 意为“看见某人正在做某事”。故选B。
知识点: