问题 填空题 依照例子，补全对话。例: — Who is it? — It's a clerk.1. — Who is it? — It's a __________.2. — ___________ is it? — _________________.3. — Who ____________? — ___________ a ___________. 答案 1. waitress 2. Who, It's a businesswoman 3. is it, He is, cashier
