I heard him______ outside.
#50192
A
sang
B
to sing
C
singing
D
sings
推荐题目
— I hear you have got an opportunity _________ at the children’s hospital.— Yes, I love children and it will be a good experience for me.
#50974
A
to volunteer
B
helping
C
volunteering
D
to teach
Can I stop ______ a rest, Sir?– Keep _______! The terminal (终点) is around the corner.
#50437
A
to have, running
B
having, running
C
to have, to run
D
having, to run
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing