1. We weren't discussing the project from 5 till 6 o’clock yesterday.
Were we discussing the project from 5 till 6 o’clock yesterday?
2. They weren't doing a test at this time yesterday.
Were they doing a test at this time yesterday?
3. He wasn't working in the garden from two till five o’clock.
Was he working in the garden from two till five o’clock?
4. I wasn't doing my homework the whole evening yesterday.
Was I doing my homework the whole evening yesterday?
5. Her brothers weren't playing basketball from two till three yesterday.
Were her brothers playing basketball from two till three yesterday?
6. He wasn't drawing a picture from three till four o’clock.
Was he drawing a picture from three till four o’clock?
7. My sister wasn't listening to the radio at this time yesterday.
Was my sister listening to the radio at this time yesterday?
8. They weren't skating at three o’clock.
Were they skating at three o’clock?
9. George wasn't writing a letter to his grandmother at eight o’clock.
Was George writing a letter to his grandmother at eight o’clock?
10. He wasn't speaking in a low voice at that moment.
Was he speaking in a low voice at that moment?
sis-ter=sister (сестра)
я считаю, что в слоге rof - описка, надо rot
par-rot=parrot(попугай)