Ответ:

1. was snowing;

2.were wearing;

3.was skating...were watching;

4.was tooking;

5.was smiling;

6.were making;

7.were having.

Ответ:

1) Was snowing 2) were wearing 3) was skating 4) were watching 5) was taking 6) were smiling 7) were making 8) were has

Объяснение:

не уверенна что правильно) но мы вставляем was если там единственное число, а were ставим когда множественное число