问题
选择题
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
答案
答案:C
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
答案:C