Question

【題目】—Where is Tom?

—I’m not sure. Maybe he is in the music room. He was often heard songs in it.

A. singB. to singC. singingD. sang

Answer 1

【答案】B

【解析】

句意：--Tom在哪里？--我不確定，可能他在音樂(lè)教室。我經(jīng)常聽(tīng)到他在那里唱歌。此題考察到hear的用法。hear sb do sth聽(tīng)到某人做了某事，但是當(dāng)它用于被動(dòng)語(yǔ)態(tài)時(shí)，需要還原不定式中的to,即 sb be heard to do sth某人被聽(tīng)到做了某事。此句表示“他經(jīng)常被聽(tīng)到”，故是被動(dòng)語(yǔ)態(tài)。所以是to sing, 故選B。