题目内容
---Could I have a window seat ?
---All right. Your flight _____ boarding at Gate 18 at 2:15.
A.have begun |
B.began |
C. is to begin |
D.begins |
【答案】
D
【解析】略
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目