5. The train delayed for 30 minutes.
火車延遲了30分鐘。
還能這樣說：
The train was 30 minutes late.
The train was 30 minutes behind schedule.
應用解析：
passenger train 客運列車；
goods train 貨運列車
6. The train for Shanghai is on track 4.
開往上海的列車停靠在第四站臺。
還能這樣說：
The train for Shanghai is on platform 4.
The train for Shanghai leaves from track 4.
應用解析：
track events 徑賽項目；
in one's tracks 就地，當場；
lose track of 失去蹤跡，忘記；與……失去聯系；
on the track 不離本題，正確
7. I think you are in my seat.
我想你坐的是我的座位。
還能這樣說：
I think you take my seat.
I'm afraid you are in my seat.
應用解析：
driver's seat 駕駛員座；具有控制、指揮權力的職位；
resign one's seat 辭去職務
8. The train is driving after ten minutes.
列車定于10分鐘后開車。
還能這樣說：
The train leaves in ten minutes.
The train starts in ten minutes.
應用解析：
at the last minute 在緊要關頭；
from one minute to the next 瞬息之間；
half a minute 片刻；
in a minute 馬上，立刻；
make a minute of 記錄，記下