Прошедшее время слов : see,walk .

see-saw-seen

walk- правильный, поэтому walked

Past simple-sawpast participle-seenwalk-walked

1there is a phone in our flat. we  also have a radio set and tv. 2 our house is in svoboda street.  there is a school and a hospital. 3.there are a lot of books at the library of our  school, and i have only some. 4  there  is a lot of snow outside. the snow is on the ground,  on the  roof,  on the  trees.  5 there will be a meeting tomorrow. 6 what is there on your desk? i have a report and a notebook there. 7 my sister has a  lot of  work at hospital.she is a doctor. there are a  lot of  people at her  districtю 8  there are a  lot of nice buildings and monuments in moscow. 9 the butter is not on the table. it; s in the fridge. 10  there  is a lot of  humour in this book. 11 this text is difficult to translate, because there are a  lot of  unknown words. 12  there are  some old stamps in my father's collection. how many foreign writers are there in your home  library?