—DoyouoftenhearLucy　　　inherroom? —Yes.Listen!Nowwecanhe...

问题详情：

—Do you often hear Lucy 　　　 in her room? 

—en! Now we can hear her 　　　 in her room.

;sing     ing;singing ing;sing    ;singing

【回答】

D　

知识点：动词和动词短语

题型：选择题