There is/are a lot of cows in the field

are. потому что тут множественое число

ответ:

1)was having, was

2)started, was walking, got

3)was being, did you did

4)didn't heard, was telling

5)was working, called

6)broke, was eating

7)was listening, went

8)was thinking, saw

объяснение:

когда действие продолжительное ставится past continious(формула построения: was/were v-ing), а действие которое прерывает это продолжительное, является past simple(v-ed/v2) например:

дети играли в видео игры(past continious), когда гости пришли(past simple)

the children |were playing| video games when the visitors |arrived|

1. i have a book.

2. my neighbor has a book.

3. my school library has books.

4. my father reads in the evening because he has books.

5. the author of any book has its own book at home.

6. everyone has at least one book.

7. today masha was in the store and now has a book.

1. that cupboard does not have a book.

2. sarah gave her book and now does not have it.

3. the library burned down and now it has no books.

5. i can not find the book of chekhov. we do not have it.

6. my dog ​​cannot read and therefore has no books.

7. my nephew has a book of fairy tales.

1. do you have a book for sale?

2. can i take a book from the library and have it at home?

3. do you have a book of fairy tales at home?