—Marycalledyouthismorning.Butnobodyanswered.—Sorry.I　　　...

问题详情：

—Mary called you this morning. But nobody answered.

—Sorry. I　　　　　the flowers in the garden.

A. am watering                      B. was watering

C. water                            D. watered

【回答】

选B。考查动词的时态。由答语句意: 抱歉。我当时正在花园里浇花。可知是过去进行时态, 故选B。

知识点：动词时态

题型：选择题