They've never ... to a rock concert
a) saw b) seen c) gone d) been

Правильний ответ-b)been

а если не надо с i can-то можешь написать ещо вот так

my grandpa has a very big farmhouse.

in londan is biulding a largest bridge.

in my garden grow many beautiful flowers.

my horse's name is snow-white.

he will be ableto speakfrenchfree, when he returnsfrom paris.

can itake yourhand? -yesof course!

do you know howto skate?

whenhe was young,hecould walk20 kilometers a day.

no one couldhelp me.

you can dothe jobtomorrow?

iknow how to swimwhen i was 5years old.

you couldtranslate this text?

this bookcan be purchased atany store.

we cangoto the mountainsnext year.