年中

China has been developing at a high speed in the past 20 years.

在过去的20年中，中国一直高速向前发展。

In the past 20 years,China was keeping developing at a high speed.

在过去的20年中，中国一直高速向前发展。

China has been developing at a high speed in the past twenty years.

在过去的20年中，中国一直高速向前发展。

China's economic have developed at a high speed in the past 20 years.

在过去的20年中，中国一直高速向前发展。

China has been developing at high speed in passed 20 years.

在过去的20年中，中国一直高速向前发展。

China has developed at high speed in last twenty years.

在过去的20年中，中国一直高速向前发展。

In the past twenty years, China kept moving forward at high speed.

在过去的20年中，中国一直高速向前发展。

Winter is more expensive than at other times of the year, partly because of shipping costs.

当然，在美国的冬天来购买花是比一年中的其他时候昂贵的，部分原因是由于船运成本。

In the past twenty years, china has been developing at top speed.

在过去的二十年中，中国一直高速向前发展。

Fruit is dear at this time of year.

一年中这个时候的水果是很贵的。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。