Unit5 What were you doing when the rainstorm came?一、单项选择，请在ABCD四个选项中选择正确的选项，每题一分。（30分）1.I bought _ alarm clock last week.A. a B. an C. the D. /2.Mary called you this morning. But nobody answered.Sorry. I _ the flowers in the garden.A. am watering B. was watering C. water D. watered3.It was reported that nine Chinese people _ in a balloon crash in Egypt on February 26,2013.A. are killed B. were killed C. will kill D. have killed4.Please call me
