【简答题】Talia was doing her homework when Amy (1) ______(call) her on the telephone. Tony (2) ______(watch) television when the electricity went out. Nick(3) ______(be) a student when he (4) ______ (meet) Tal...
【单选题】The company has announced that it has invented a large power pack to run home___like refrigerators and washing machines when the electricity goes out.