1. Our engineers (was, were) at the factory yesterday. 2. When (was, were) you a student? 3. Our children (was, were) not at school yesterday. It (was, were) Sunday. 4. Who (was, were) your English teacher at school?Mr. Sedov (was, were). 5. My friends (was, were) in Kiev three yearsago. 6. Where (was, were) Mr. Petrov at 9 oclock yesterday? 7. My friend (was, were) not at his office last week. He (was, were) not well. 8. Who (was, were) at the lesson yesterday? They (was, were).

1. were
2. were
3. were,was
4. was, was
5. were
6. was
7. was, was
8. were,were.