Question

【题目】These old women are often seen ________ in the square at weekends.

A. dance B. to dance C. dancing D. danced

Answer 1

【答案】B

【解析】句意：在周末，这些老太太经常被看见在广场上跳舞。根据句意可知老太太在周末

被看见了跳舞，see sb do sth看见某人做了某事，其被动形式为sb is seen to do sth“某人被

看见做了某事”。此处是被动语态，故选B。