高等继续教育 / 大学英语II
正确率：100%
题型描述: 单选题
He was about ＿＿＿＿＿ home when the phone rang.
A.to leave
B.left
C.leaves
D.leaving
He was about ＿＿＿＿＿ home when the phone rang.
A.to leave
B.left
C.leaves
D.leaving
参考答案：