Правильно соеденить слова в первом столбике yesterday,yesterdey afternoon, last week, last month, last year, two days ago.во втором столбике : l, my friends, we.в третьем was,were.в четвертом at the library at the museum, at the zoo, at the cinema, at the theatre, at the gallery.

I was at the library 
My friends were at the library
We were at the library

I was at the museum
My friends were at the museum 
We were at the museum 

I was at the Zoo
My friends were at the Zoo
We were at the Zoo

I was at the cinema 
My friends were at the cinema
We were at the cinema

I was at the theatre
My friends were at the theatre 
We were at the theatre

I was at the gallery 
My friends were at the gallery
We were at the gallery

Там просто на правильно употребление was were задание идет. Поэтому все мои варианты правильные)