Ответ:

Why were the buses running late?

What was your cat eating?

Where was he going?

Where were they flying to?

What instruments were those musicians playing?

Where were the children hiding?

How were your children getting along?

What was the policeman telling us?

Ответ:

Если любые, то вот:

Were you sleeping at six o'clock yesterday.

Was your brother preparing for exam whole the evening?