Question

--Jack's never worked hard at English, _______?
-- _______ , so he can't answer the question in English, I think.

A．is he; Yes, he is

B．is he; No, he isn't

C．has he; Yes, he has

D．has he; No, he hasn't

Answer 1

D

Jack’s此处为Jack has的缩写，因句中有never，故附加问句应用has；答句说明的是否定情况，故应用N0，he hasn’t。