日语
韩语
法语
德语
西班牙语
意大利语
阿拉伯语
葡萄牙语
越南语
俄语
芬兰语
泰语
第一节 语法和词汇知识（共15小题，每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. By the year 1889, there were just 541 bison in the whole of North America.
A. leaving alive B. to leave alive C. to be left alive D. left alive
22. money, people usually tend to spend more than they have to.
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. By the year 1889, there were just 541 bison in the whole of North America.
A. leaving alive B. to leave alive C. to be left alive D. left alive
22. money, people usually tend to spend more than they have to.
