_____, the boy couldn't enter his house.
#98293
A
Since the key had lost
B
The key being lost
C
Lost the key
D
Having lost the key
推荐题目
There are several factors _______ in the economy _______ make it difficult to predict the future.
#96479
A
operate; where
B
operating; which
C
to operate; that
D
operated; what
She advised us _____ carefully in her class.
#98268
A
listen
B
listening
C
to listen
D
listened