Question

【题目】—Lucy is often heard ________ in her room.

—Yeah, she's born with music.

A. sing B. sings C. sang D. to sing

Answer 1

【答案】D

【解析】

句意：--经常听到Lucy在房间里唱歌。--是的，她天生有音乐细胞。hear sb do sth 听到某人做了某事，但是当它用于被动语态时要把to还原，即be heard to do sth, 故选D。