1．-I phoned you at 5:00 yesterday afternoon, but nobody
-Sorry. I ______ the flowers in the garden at that time.
A. am watering B. was watering
C. water D. will water
试题分析：句意：-昨天下午5:00我给你打电话，但没人接。-对不起，我那时在花园里浇花。根据句意和时间状语at that time判断选B。
2．---Were you at home at 7:00 yesterday evening? I called you but no
one was there.
---Sorry, we ___________ a movie at the theatre at that time.
A. watch B. were watching C. watched D.are watching