He must have gone out. I heard the noise of the door ______when I was still in bed.
#97057
A
being locked
B
to lock
C
locking
D
having locked
推荐题目
Don't speak until ___ to.
#98117
A
spoken
B
speak
C
speaking
D
to speak
He had learnd ___ such things, so he refused ___.
#97753
A
to do, being taught to
B
doing, to be taught to
C
to do, to be taught to
D
doing, being taught to