HigoodafternoonB的精選

問題詳情：補全對話。通讀下列對話，然後根據上下文補全對話內容。A：Hi,goodafternoon!B: 1.__________________!Areyoufreethisafternoon?A:No.Ihavetohaveapianolesson.B:2.________________________________?A:Ihavepi...