He was heard________ three songs in the next room.
#93484
A
sing
B
to sing
C
singing
D
sung
推荐题目
Although        very hard, he didn’t pass the exam.
#95176
A
work
B
to work
C
working
D
worked
______ to his work resulted in his great success.
#96883
A
Devoting
B
Being devoted
C
Devoted
D
To devote
The picture ______ on the wall is painted by my grandfather.
#93981
A
having
B
hanging
C
hangs
D
being hung
Tom’s brother who is now a doctor always encourages        hard and go to college. 
#94511
A
for him studying
B
him studying
C
for him to study
D
him to study