maximum size
A. 最大体积
B. 最小体积
C. 最宽尺寸
D. 最高尺寸
Most of the airlines have the allowance of ______ for first-class passengers.
A. 40 kg
B. 30 kg
C. 20 kg
D. 10 kg
Most of the airlines have the allowance of ______ for business class passengers.
A. 40 kg
B. 30 kg
C. 20 kg
D. 10 kg
Most of the airlines have the allowance of ______ for economy class passengers.
A. 40 kg
B. 30 kg
C. 20 kg
D. 10 kg
微信支付 
支付宝支付