12. Representatives attending Copenhagen Conference recommended that               to reduce carbon emission. (take)

出席哥本哈根会议的代表们建议采取严厉措施来减少碳排放。

11. It' s a pity that he failed the exam. Had             his handwriting, he would have done better. (concentrate)

他没能通过考试真是太可惜了，如果他多注意一下他的书写，他就会做得更好。

10. We                 the difficulty together,but why didn't you tell me? ( face )

我们本来可以共同面对困难的，但你当时为什么不告诉我呢？

9. We lost our way in that small village，otherwise we        more places of interest yesterday. (visit)

我们在那个小山村里迷了路，要不然的话我们昨天可以参观更多的名胜古迹。

8. It is possible that the King of Stonehenge was linked to the stones;he             in planning the monuments，or in helping transport and pull up the stones. (hand)

有可能巨石阵之王与这些石头息息相关；他可能参与了这些纪念碑的策划，或者帮忙运输和竖起石头。

7.1 feel so sick. I wish Mum        to eat so much. (force)

我感到有点恶心。真希望妈妈没有逼我吃这么多。

6，I        the flowers. Just after I finished，it started to rain. (water)

我本不该浇花的。我刚浇完花，就下雨了。

5. It's said that they have swum to the island fi'om the continent, but they                 because the ocean in between is too wide. (do)

据说他们从大陆游到了那个岛屿，但是由于中间的海峡太宽，他们不可能做到。

4. Mr. Johnson insisted that the problem worthy of attention             at the meeting. (discuss)

Johnson先生主张在会上讨论那个值得关注的问题。

3. If        alcohol last night, I could have driven my car home. (drink)

如果我昨晚没有喝酒，我就能够开车回家。