The professor put forward three issues, none of _____ we had ever done any research into before.
They won't let him out of the hospital ________ he's completely recovered.
She had been in ________ doctors described as in a confused state of mind for five years.
We've been looking for a cheap house but haven't found________ we like yet.
—Have you finished your fashion design? —Not yet.I'll finish it if I ________ ten more minutes.
________ her anger,Maria turned around and walked away from him.