By the end of last year,I ____ (be) to the West Hill Farm three times.

显示全部楼层 · 2013-8-28 15:45:14

你好填 had been 过去完成时截止到去年年底，我已经去过西山农场三次了。~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~祝你学习进步，更上一层楼！不明白请及时追问，满意敬请采纳，O(∩_∩)O谢谢~~...

千问 · 2013-8-28 15:45:14

By the end of last year,I(had been) to the West Hill Farm three times.意思：到去年底为止，我去过西山农场三次了。答题关键：by the end of last year ，要用过去时完成时。加油！不明白再问！如果帮到你，请采纳，谢谢！...

千问 · 2013-8-28 15:45:14

had been过去完成时...