22. —Did you watch the basketball match yesterday? —Yes, I did. You know, my brother ________ in the match. (A).is playing (B). was playing (C). has played (D). had played

73.Which of the following is true? (A).The water in Texas have been reduced by 75%. (B).Most industries in the world suffer from water shortagers. (C).The underground water in Saudi Arabia might run out in 50 years. (D).Good management of water use resulted from the project in the Central Valley.