Question

【题目】John's never flown to Canada, _______?
A.is he
B.isn't he
C.has he
D.hasn't he

Answer 1

【答案】C
【解析】约翰从没有乘飞机去过加拿大。反意疑问句的陈述部分有never构成的否定句，所以附加部分用肯定式，助动词是has，故选C。