— Could you meet me at the airport?— I'd like to,but I'm a fraid I ______ a very important meeting when you return.
58. --- Do you still remember when we went to the Summer Palace? --- I can’t remember it well, but it _____ sometime last July.
59. The _____ of blood always makes him feel sick.
60. At the sight of the scene of war, my _____ race back more than 50 years to the dark days of 1940.
61. If you have to plough the field anyway, you _____ as well plant crops at the same time.
62. He may have seen the film when it was shown last week, _____ he?