改错His aunt hat lest for half an hour

His careless mistake made the machine______ for half an hour 改错:she rans half a mile in half an hour. My brother e_____ for half an hour. The child with his teacher often ____(run)for half an hour i He has been _______ his memory for almost half an hour,but h 句型转换,Mr.Green runs with his dog for half an hour in the park they walked for.A,an hour B.half a hour C,half an hour 选哪个 we read english for half an hour every day(对for half an hour They go running for half an hour 对for half an hour 提问 My friend runs for half an hour every day?对for half an hour his aunt ___(be)in the office in an hour. It took me half an hour to look for it.(对half an hour 提问)