问题:
Nobody noticed the thief slip into the house because the lights happened to ________.
A.be put up
B.give in
C.he turned on
D.go out
Nobody noticed the thief slip into the house because the lights happened to ________.
A.be put up
B.give in
C.he turned on
D.go out
A.be put up
B.give in
C.he turned on
D.go out
参考答案: