来自刘新凯的问题
【Aliceis____________atswimming_____Ben.Aliceisgoodatswimming.Benisgoodatswimming,too.】
Aliceis____________atswimming_____Ben.Aliceisgoodatswimming.Benisgoodatswimming,too.


【Aliceis____________atswimming_____Ben.Aliceisgoodatswimming.Benisgoodatswimming,too.】
Aliceis____________atswimming_____Ben.Aliceisgoodatswimming.Benisgoodatswimming,too.
asgoodas