________, the boy couldn’t enter his house. 
#94032
A
Since the key has lost
B
The key been lost
C
Lost the key
D
Having lost the key
推荐题目
Why is________ you are so late for the class?
#93997
A
it that
B
that it
C
it
D
that
Twenty students from one high school were _______ such an experience.
#94911
A
enough lucky to share
B
to share enough lucky
C
enough to share lucky
D
lucky enough to share
John passed the examination though he had only spent _______ on the subject as others had done. 
#93438
A
as half time much
B
as half much time
C
half as time much
D
half as much time
I prefer _____ at home to _____ outside.
#94699
A
staying; playing
B
to stay; play
C
staying; play  
D
to stay; playing