Выберете правильный вариант.1.Is this the first time you .. visited Italy?a)have

Выберете верный вариант.
1.Is this the first time you .. visited Italy?
a)have visited b)visited c)visit
2.While you .. I had a good idea!
a)talk b)have talked c)were talking
3.By the time you .. your homework, it will be time for bed!
a)will do b)did c)have done
4.The children .. a DVD while we were driving to Napoli.
a)watch b)watched c)were watching
5.Ive .. the same job at the same company for more than 20 years
a)do b)doing c)been doing