Поставить глаголы в past simple либо present perfect 1.How many tasks

Поставить глаголы в past simple или present perfect 1.How many tasks .. you ..?(to do)2.They .. each other when they .. very young(to meet,to be)3.My friend .. his car not long ago(to change)4.I think yhis student .. all the questions correctly(to answer)5... you .. Nick today?(to see)6.Yeaterday I ..shopping together with my friend (to go)7.She .. her grand parents yesterday(to visite)