问题
选择题
—I phoned you at 5:00 yesterday afternoon, but nobody answered me.
—Sorry. I the flowers in the garden at that time.
A．was watering
B．am watering
C．water
D．will water
答案
答案：A
根据答句中的at that time 可知描述的是过去某时正在进行的动作，故用过去进行时。故选A。