He ___(be)an orphan,the nurse looked after him carefully.
问题描述:
He ___(be)an orphan,the nurse looked after him carefully.
用适当形式填空
答
being
本句主语是护士,前半句是独立主格结构,有另一个主语He出现,但动词须用非谓语形式,所以was改为being