高等继续教育 / 基础英语I
正确率:100%
题型描述: 单选题
He must have gone out now, ____ the light in his house is off.
A.when
B.since
C.because
D.for
He must have gone out now, ____ the light in his house is off.
A.when
B.since
C.because
D.for
参考答案:
佳题速递: