Choose the right sentences: a) he have never been to boston. b) have you ever been to london ? c) they has never been to tokyo. d) chess you ever been to new york?

А; B.
в С неправильно, т.к. должно быть They HAD, a не HAS
в D неправильно, т.к. первое слово шахматы, а тут они совсем не нужны