Question

Нужно задать вопросы к выделенным словам:
1)Sampson SLEPT in the MAIN building on the FIRST floor.
2)We had CLEANED our PLATES by 7 P.M.
3)Raymond has a rider sphere of interest (Общий вопрос)
4)The house was built in the 19th century.

Answer 1

1 
What did S do in the main building on the first floor?
Which building did S sleep in? / Where did S sleep? 
On what floor did S sleep?

2
What had we done by 7 p.m.?
What had we cleaned by 7 pm?
By what time had we cleaned the plates?

3
Does R have a rider sphere of interest?

4
When was this house built?
In what century was this house built?