Though I have often heard this song _______. I have never heard you _______ it.
#98432
A
being sung, sang
B
sang, singing
C
sung, sing
D
to be sung, to sing
推荐题目
I saw a lighthouse _____ at the mouth of the river.
#92051
A
locating
B
location
C
located
D
which located
 It’s no use _______ him ______ doing that.
#96803
A
to persuade; to stop
B
persuading; to stop
C
to persuade; stopping
D
persuading; stopping