－IsLilygoodatsinging?   －Yes,sheis.Weoftenhearher

問題詳情：

－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

知識點：動詞和動詞短語

題型：選擇題