高等继续教育 / 大学英语I
正确率:100%
题型描述: 单选题
He must have heard the bad news, he looks upset.
A.as
B.when
C.because
D.for
He must have heard the bad news, he looks upset.
A.as
B.when
C.because
D.for
参考答案:
佳题速递: