A postman's job is to deliver letters and parcels every day.-----------------------------------(用两种方式提问）
问题描述：
A postman's job is to deliver letters and parcels every day.
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(用两种方式提问）
答
what's a postman's job?
what does a postman do every day?
答
What is a postman's job?
What does a postman do on work every day