Over the past year
一年───a year;来───come
His mother inherited a farm worth 15,000 dollars a year.───他母亲继承了一处年产值为1.5万美元的农场。
He earns about $40 000 a year.───他一年大约挣 4 万元。
His son was a junkie, the kid OD'd a year ago.───他儿子是个吸毒者，这孩子一年前吸食了过量毒品。
They were knocking around together for about a year.───他们交往大概有一年了。
They had ensured the plumbing was overhauled a year ago.───他们曾保证水管一年前彻底检修过。
I'll have to cough up $10,000 a year for tuition.───我每年将不得不付1万美元的学费。
He has been riding in horse trials for less than a year.───他参加赛马选拔赛还不到一年。
The deficit is now running at about 300 million dollars a year.───现在，每年的赤字约达3亿美元。
He is junior to me by a year.
Christmas comes but once a year.
They finished the house within half a year.
They get three crops of rice a year.
The disease causes thousands of deaths a year.