Read the excerpt and fill in the blanks with the correct past form of the verbs indicated below.
Stella Soames phoned last night to tell me that her husband Kevin had just ______in hospital. He had ______ off his horse a week before and ______ a leg and several ribs. Instead of recovering after the operation, however, he had suffered a stroke and ______ in a coma for three or four days, from which he had not ______up again.

The sequence that correctly fills in the blanks is: