1 . 连词while表示转折
China’s exports included silk, china and tea, ___________________(而马匹、羊毛织物、棉花织物和葡萄都沿着路网千里迢迢进口而来). (根据汉语提示完成句子)

2 . If条件状语从句的省略
________________ (如果是这样), you might already understand why UNESCO is fighting to preserve sites of cultural and natural importance to mankind. (根据汉语提示完成句子)

3 . with复合结构
A fleet of over 200 ships navigated the blue seas, ________________(船上有近28 000人),which was a splendid scene. (根据汉语提示完成句子)

4 . 独立主格结构
There were five similar huts, ________________ (都排成一排，面向非洲的最高山脉——乞力马扎罗山). (根据汉语提示完成句子)

5 . He asked, “Have you decided on your final topic for the composition?”（用间接引语改写）
He asked __________ __________ __________ decided on my final topic for the composition.

6 . 人们相信他还没有完全发挥他的潜力。(it作形式主语)
____________ he has not yet reach his full potential.

7 . 必须把指定的表格填完并交回本办公室。
The prescribed form must be completed and ________.

8 . 我们把新成员的名字已经加进去了, 这份名单是最全的了。
The list ________ now that we’ve added the new members’ names.

9 . 在这个问题上，人们的看法有很大差异。
It’s an issue ________there is a wide variation of opinions.

10 . 在这样狭小的空间里很难高效地工作。
It is very hard ________ in such a confined space.