问题 补全对话,情景问答 仿照例子,补全对话。例: — Who is it?— It's a clerk.1. — Who is it— It's a ____________.2. — Who ____________ ____________? — ____________ a ____________.3. — ____________ is it?— ____________ ____________ ____________. 答案 1. waitress 2. is, it, It's, cashier 3. Who, It's, a, businesswoman