高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
Jack admitted that itˊs always difficult ＿＿＿＿＿＿.
A.being on time for him
B.on time for him
C.for him to be on time
D.for him being on time
Jack admitted that itˊs always difficult ＿＿＿＿＿＿.
A.being on time for him
B.on time for him
C.for him to be on time
D.for him being on time
参考答案：