Question

one or two times a week?正确还是once or twice a week

one or two times a week?正确还是once or twice a week 哪个正确，一周一到两次

Answer 1

后一种正确
表示次数的应该用序数词，三次及以上才需要在序数词后加times

Answer 2

第二个正确

Answer 3

两个都对。I visit my grandparents one or two times a year. 同义句：I visit my grandparents once or twice a year.(下面视频七下第三单元听力原文)

Answer 4

后一种正确：
once or twice a week.