Wang Pin is an orphan.He has no dad ___ mum.
It is reported that a similar technique can be ________ to the treatment of cancer.
By the time I saw the job ________ in the newspaper,it was already too late.
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.