Though I have often heard this song . I have never heard you it. A. being sung,

Though I have often heard this song _______. I have never heard you _______ it.

A. being sung, sang       B. sang, singing  C. sung, sing   D. to be sung, to sing

试题答案

C

解析:

第一空填 sung，因为 song 与 sing 是被动关系；第二空填 sing，因为 you 与 sing 是主动关系。