she was___(购物) when she saw the accident?横线中应该添?最好是讲解一下 谢谢 要快哦

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she was___(购物) when she saw the accident?横线中应该添?最好是讲解一下 谢谢  要快哦

she was___(购物) when she saw the accident?横线中应该添?最好是讲解一下 谢谢 要快哦
she was___(购物) when she saw the accident?
横线中应该添?
最好是讲解一下 谢谢 要快哦

she was___(购物) when she saw the accident?横线中应该添?最好是讲解一下 谢谢 要快哦
shopping
be doing when.的句式,意味正在做某事,这时怎样