----Why do you always sleep ________?----Because I’m afraid of the dark. 
#47797
A
by yourself
B
with the door open
C
with the window open
D
with the light on
推荐题目
They usually go home ____________.
#49192
A
by a bus
B
on a bus
C
by bus
D
on bus
Does his father go to work ________?
#49273
A
on his bike
B
on bike
C
by his bike
D
by the bike