They ____ (water) flowers when I got to the garden.
问题描述：
They ____ (water) flowers when I got to the garden.
答
were watering，当我到达花园的时候，他们正在浇花。注意时态要一致，后面是过去时，前面相对应用过去进行时，如果They ____ (water) flowers when I get to the garden.这时，就要用现在进行时are watering 了
答
They __were watering__ (water) flowers when I got to the garden.
当我到花园时他们在给花浇水。
从句用过去时，主句当时在进行，所以用过去进行时
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答
They were watering flowers when I got to the garden.
翻译：当我走进花园的时候,他们当时正在浇花.