— Have you ever visited the Opera House?—Yes.When I was in Sydney, I ______ it twice.
28.The police were trying to _____ the suspect’s motive of killing his wife.
27.Influenced by the economic crisis, the rate of unemployment in big companies has risen in the last 3 months , _____ 10 percent in average.
26. According to the arrangement, the newly-elected president _______a speech to his supporters from 8 to 10 o’clock tomorrow morning .
25.Selecting a mobile phone for personal use is no easy task because technology _____so rapidly.
24.— Tom, would you like to come to our dinner party?—_______. A Yes, I would B. Yes, with pleasure C. No, I won't D. Sure, it's my pleasure