Let us listen to Maria( ) in the next room

题目

Let us listen to Maria( ) in the next room
A.sings B.singing C.to sing D.sang

答案

B singing
listen to sb do sth 是指听见某人经常做某事
listen to sb doing sth 是指听见某人正在做某事
这句话用的是现在时,maria正在唱歌
所以选b