How would you describe someone who is 22 years old.(Choose all correct answers)
A. She's in her early twenties.
B. She's a young adult.
C. She's in her twenties.
D. She's middle-aged.
In Western cultures, it is ok to ask children about their ages.
A. 对
B. 错
Match the family vocabulary words with the correct definitions.
当贸易术语为CIF时，海运提单上对运费的表示应当为______.
A. Freight prepaid
B. Freight collect
C. Freight prepayable
D. Freight to collect
微信支付 
支付宝支付