题干

Hurry! The plane ______ . You know, it ______at 3:15.
A.takes off, takes offB.is taking off, takes off
C.takes off, is taking offD.is taking off, is taking off
上一题 下一题 0.64难度 单项选择 更新时间:2013-12-24 02:48:38

答案(点此获取答案解析)