— Who _____ be phoning us at this time of night? — It might be your sister.
. Because of the sharp drop of birth rate, the number of students sitting the college entrance exams ______ all the time
. Now on hand are two tough tasks for the newly-elected Chile(智利) president: one to help the country to recover from the earthquake, and ______ to invite more foreign aid.
. Jack used to work in a garage for a full 10 years, so he fixed the broken engine ______ ease.
. ______ to hide the truth from the public, the quality problem of its computer was revealed.
. ______ many French newspapers are eager to report is not their president’s political achievements but his private life.