...during the period.相比于over,这个句子就更加模糊——既可以表示period中一小段时间农场数量在下降,即The number of farms declined once during the period,但整体可能上升了;也可以表示整个period都在下降,相当于The number of f...
...语he不构成被动关系,但却用过去分词短语作状语。那我可以说Finished
the work, I went home吗?2.
按照《薄冰英语常见共性问题解答》的上述说法,如果把省略部分补全,就可以写成:Being
arrived at the station, he found his train gone.Having
bee...