Though I have often heard this song ______, I have never heard you ______ it.
#93922
A
being sung; sang
B
sang; singing
C
sung; sing
D
to be sung; to sing
推荐题目
I’ve never heard the word _______ in spoken English. 
#97441
A
use 
B
used 
C
using 
D
useing
They enjoyed _____ a wonderful evening at the Country Club.
#98395
A
spent
B
to spend
C
spending
D
spend
 .From the classroom window we saw a huge snake _____ the yard.
#97380
A
crossing
B
cross
C
across
D
having crossed