Insert a or an: . . . Mr Jones called while you were out (neither of us knows this man). He wants to make .. . complaint about . . . article in the paper. He was in . . . very bad temper.

Mr Jones called while you were out (neither of us knows this man). He wants to make a complaint about an article in the paper. He was in a very bad temper.

Dịch: Ông Jones đã gọi khi bạn ra ngoài (cả hai chúng tôi đều không biết người đàn ông này). Anh ta muốn khiếu nại về một bài báo trên báo. Anh ấy đã rất nóng nảy.