—It is a mystery and a shock to all who knew him that he____ have taken his own life in this way.—What a pity, indeed.
—Why do you look so upset, Linda? —There are so many troublesome problems____.
I lost the key to my dormitory.Could you ____ for the night?
—Silly me! I forgot the color of my luggage. —What about over there?
—The concert won' t start till seven.Why____ so early? —You know I don' t want to be at the traffic there.It' s terrible during the rush hour,
What he had done ____ a lot about his honesty.