根据汉语或首字母提示，写出下列单词
1．He had lost his identification(身份)card and was being questioned by the police.
2．Actually(事实上)，China may have the largest number of English learners.
3．She failed in the English exam because of her poor English vocabulary(词汇量)．
4．Tom told me that he couldn't speak Chinese fluently(流利地)．
5．It is easy to tell the natives(本地人)from the tourists.
6．The President was leaving for a fourday official visit to Mexico.
7．There has been a gradual change in climate.
8.The story is based on historical facts.
