Because, in no other way can you account for the fact that, on one of the hottest days of the year, Mrs. Inglethorp ordered a fire to be lighted in her room." I gave a gasp. 
Because you can't explain that Mrs. Inglethorp ordered a fire to be lit in her room.
It was in the middle of the coldest winter in years.
A man is sleeping.
A person in yellow overalls is walking over packed dirt.
No retirement age was specified so she worked until 100.
a man is sleeping.
The worker is ready to chop the tree and make a bicycle out of it
Some people are standing in front of a structure.