listen,Can you hear someone------ in the next room.A.sings B.to sing C.singing D.sung
问题描述:
listen,Can you hear someone------ in the next room.A.sings B.to sing C.singing D.sung
答
选 C
固定搭配:hear sb do sth 听见某人做某事 (听见全过程)
或者 hear sb doing sth 听见某人正在做某事