I_ a lot of interesting cities in my life, but I think New York is my favourite. a 've visited b visited

Выбираем правильную форму глагола в предложении.

В данном случае необходимо выбрать между Present Perfect (a) и Past Simple (b). Так как предложение говорит об опыте в жизни (a lot of interesting cities in my life), то необходимо использовать Present Perfect.

I've visited a lot of interesting cities in my life, but I think New York is my favourite.

Ответ: a 've visited