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1·By the end of last year, the young teacher who was thirsty for knowledge had been abroad for further study for two years.

到去年年底，那位求知若渴的年轻教师已经出国深造两年了。

2·The subway was completed by the end of last year.

这条地铁路于去年年底完工。

3·By the end of last year, we had planted 2000 trees.

到去年年末为止，我们已种了2000棵树。

4·By the end of last year, the share had risen to 69%.

到去年年底，这一比例已经升至69%。

5·By the end of last year we had built five new house.

到去年底为止我们已建了五座新房子了。

6·He had completed his studies by the end of last year.

截止到去年年底他已经完成了他的学业。

7·By the end of last year we had produced 3000 computers.

到去年年底为止我们已生产出3000台电脑。

8·By the end of last year we had seen three English films.

到去年年底，我们看了三部英文影片。

9·He had finished writing his novel by the end of last year.

去年年底他就写完他的小说。

10·By the end of last year they had turned out 5, 000 bicycles.

在去年底之前，他们把5,000辆脚踏车关掉。