It is desired that the project________before the end of this month.
Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.
Some passengers complain that it usually _________so long to fill in travel insurance documents.
Xi’an is really a fascinating city and we’ve decided to stay for two weeks.
His parents were teachers in that school, _______ lost their lives in order to save their students in the earthquake.
______ he referred to in his article was unknown to the general reader.