－IsLilygoodatsinging?   －Yes,sheis.Weoftenhearher

问题详情：

－Is Lily good at singing?

    －Yes, she is. We often hear her _________ in the next room.

    A. to sing                     B. sings                 C. sing                  D. sang

【回答】

C

知识点：动词和动词短语

题型：选择题