Question

【题目】The missing boy was last seen __________ near the lake.

A. playing B. to play C. to playing D. played

Answer 1

【答案】A

【解析】考查分词结构。see sb doing 看见某人正在做某事；本题是这一结构的被动语态。句意：那个失踪的小男孩最后被人看见在湖边玩耍。此处现在分词做主语补足语，故选A。