A regular series of articles focus on strategic home repairs and redecorating that can be done to prepare a home for sale.

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问题 A regular series of articles focus on strategic home repairs and redecorating that can be done to prepare a home for sale.

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答案focus——focuses

解析 series是单复数同形的名词,a series of表示一系列,虽然是复数含义,但需用谓语动词的单数形式与其搭配。它也可以和谓语动词的复数形式搭配,如There are two series of books.one for children and the other adults.主要取决于名词是单数还是复数。类似的名词还有总部headquarters、方法means、种类species、工厂works等。
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