Can you hear the girls ______in the next room?
#49585
A
sang
B
tosing
C
singing
D
sing
推荐题目
It takes me an hour________ to school every week.
#49613
A
to get
B
get
C
to
D
getting
I need time_____ my computer.
#49817
A
to mend
B
mending
C
mend
D
mended
Wang Lin is trying        English because she plans      to England.
#49130
A
learn ; to go
B
to learn ; going
C
learning ; to go
D
to learn; to go
We shall  never give up ______ for even one day. 
#49951
A
studying
B
study
C
to study
D
studies