题干

— Can you explain ____ you have been late for school several times this term?
— Sorry, but it is the first time that I have been late this week.
A.why is it thatB.how it is thatC.why it is thatD.how is it that
上一题 下一题 0.64难度 单项选择 更新时间:2013-09-11 02:34:06

答案(点此获取答案解析)