题干

---Obama took oath (宣誓)of office in the White House。
---When was _____?
---____was on January 23,2013.
A.that, ItB.it, It
C.this, ItD.it, That
上一题 下一题 0.64难度 单项选择 更新时间:2014-09-02 06:22:18

答案(点此获取答案解析)