问题补充:
The young man was often seen by the lake.
A. to draw
B. to drawing
C. draw
D. drew
答案:
(答案→)A. to draw
B. to drawing
C. draw
D. drew
解析:此题考查的重点就是固定结构see sb do sth 的被动语态。根据语境可知此句的含义是这个年轻人在湖边被看到画画,因主语是动作的执行者,故用被动语态,又因see sb do sth 的被动语态是be seen to do sth故选A。