I just don't understand_____________ that prevents so many Americans from being as happy as one might expect.
So far this year we ________ a fall in house prices by between 5 and 10 percent.
John as well as the other children _____good care of in the village.
Mary was much kinder to Jack than she was to the others, , of course, made all the others upset.
With the boy_______ the way, we had no difficulty _______the way to the West Lake.
_______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.