Question

【題目】The girl is often heard ________ in the music room. Her voice sounds beautiful.

A. practice singingB. to practice singing

C. practiced singingD. to practice sing

Answer 1

【答案】B

【解析】

句意：人們經(jīng)常聽到這個女孩在音樂室里練習唱歌。她的聲音聽起來很美�？疾閯釉~形式辨析。hear sb. do sth.聽見某人做某事，固定短語；在被動語態(tài)結(jié)構(gòu)中，省略的不定式符號to需還原，可排除AC兩項。本句是被動語態(tài)，需用不定式做主語補足語；根據(jù)句意結(jié)構(gòu)，可知選B。