—I would like to buy an expensive camera.—Well.We have several models________.
—When didaccident happen? —Oh, it was onSunday towards the end of this summer, as far as I can remember.
The project is so designed that once _______ nothing can be done to change it.
There was a man crying over there.He _______ himself.
______ a good result,the professor decided to do the experiment once more.
Mr.Shaw can’t get promotion ________ his lack of qualifications.