The waiter worked in the restaurant,didn\'t he?该怎么回答

The waiter worked in the restaurant,didn\'t he?该怎么回答

Yes,he did.对.
No,he didn't.错,他没.

那个服务生是在餐馆工作,不是吗?
回答是的话:No,he is.
回答不是的话:Yes,he isn't.