他偶尔会进城去买补给品。

He went into town ___every ___so ___often to buy supplies.

我们偶尔吃橙子以获取必需维生素。

We eat oranges ___every ___so ___often to get essential vitamins.

偶尔，她会反思自己的职业选择并做出调整。

___Every ___so ___often, she reflects on her career choices and makes adjustments.