Definition: to politely or officially ask for something Level: B1
我可以要求一个靠窗的座位吗？
Can I ___request a window seat?
酒店要求客人晚上10点后保持安静。
The hotel ___requested that guests be quiet after 10 PM.
乘客被要求在起飞时系好安全带。
Passengers are ___requested to fasten their seatbelts during takeoff.
