第一句：Which gate should I get on board?
我应该在几号登机口登机?
A: Which gate should I get on board?
我应该在几号登机口登机?
B: Gate Eight.
8号登机口。
第二句：What's the gate number?
我的登机口是几号?
A: Excuse me. What's the gage number?
请问我的登机口是几号?
B: Your gate number is 6.
您的登机口是6号。
相关表达法：
询问应该在几号登机口除了以上两种说法外，还有以下常用的句子：
Which gate does it depart from?
在哪个登机口起飞?
Where is the boarding gate for this flight?
这趟航班的登机口是几号?