On the way to the post office, I heard some children ________the English song.
#48666
A
sang
B
to sing
C
singing
D
sings
推荐题目
It takes me a lot of time _________ there by bike.
#49116
A
get
B
to get
C
gets
D
getting
Would you please   me how to do it ? 
#50447
A
tell
B
telling
C
to tell
D
not to tell
We don’t have enough pens       , Give us       .
#50110
A
to write; much more
B
to write with; a few more
C
writing with; few more
D
writing; another two
Millie, do you enjoy            in the sea?
#50218
A
to swim   
B
swims   
C
swimming
D
to swimming