Mr.Shaw can’t get promotion ________ his lack of qualifications.
________the police thought he was the most likely one,since they had no exact proof about it,they could not arrest him.
The little boy sat ________to his father and listened ________with great interest.
As the school term ends,New York is no closer to _______its shortage of teachers than it was earlier in the year.
He ________who the murderer was before the end of the book.
Thank you very much for all you've done for me,which is ________great value to me.