提示：Alice求机场的一位旅客帮忙告诉她怎样才能搭乘去纽约的航班。这位旅客说朝左拐，随后找Alice要搭乘的航空公司(airline)，并要给Alice画张地图。
Alice: Excuse me, (51)
Passenger: Yes
Alice: I have a ticket to New York. (52)
Passenger: I can’t help you here. You have to go to the ticket counter. Follow this passage to the end, (53) and go two hundred yards. You’ll see a sign that says, "Check in". (54) .
Alice: Go down this hall to the end. Then go left
Passenger: That’s right. Here, (55) . Sometimes it’s confusing.
Alice: Thank you.
Passenger: My pleasure.