Question

---Could I have a window seat ?
---All right. Your flight _____ boarding at Gate 18 at 2:15

1. A.
   have begun
2. B.
   began
3. C.
   is to begin
4. D.
   begins

Answer 1

D
考查时态。“我能坐在靠窗户的位子吗？”“好的。你的航班2:15在18号舱门登机。”按照时间表安排好的事情，用一般现在时。主语是单数。故选D。