-- I called you this morning but nobody answered.-- Sorry. I the flowers in the garden.A

问题补充：

-- I called you this morning, but nobody answered.

-- Sorry. I the flowers in the garden.

A. am watering

B. was watering

C. water

D. watered

答案：

A. am watering

(答案→)B. was watering

C. water

D. watered

解析：句意：今天早上我给你打电话，但是没人接。对不起，我正在花园里浇花。过去进行时表示过去某个时间点正在做某事，故选B