Отметьте грамматически правельные предложения знаком "+"…

1.What did you do last night? What have you done last night? 2.I went to many countries in my life. I have been to many countries in my life.3.He went to Greece two years ago. He has been to Greece two years ago.4.I study English for three years. I have studied / have been studying English for three years.5.I have known Mary for three weeks. I have known Mary since three weeks.6.Where have you bought your shoes? Where did you buy your shoes?