I hear the birds _______.
#51349
A
sing
B
to sing
C
sings
D
singing
推荐题目
It takes me an hour________ to school every week.
#49613
A
to get
B
get
C
to
D
getting
I’m surprised _______ my old friends in the street.
#48831
A
see
B
seeing
C
to see
D
to look at
I prefer watching TV to            music every day.
#50079
A
listen to
B
listen
C
listening
D
listening to