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 单项填空（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答案。
21. Historically, ______ main material for making tables has been wood, but ______ metal and stone have also been used.
A. the; / B. /; / C. the; the D. /; the
22. ---Who is making so much noise in the garden?
---______ the children.
从A、B、C、D四个选项中，选出可以填入空白处的最佳答案。
21. Historically, ______ main material for making tables has been wood, but ______ metal and stone have also been used.
A. the; / B. /; / C. the; the D. /; the
22. ---Who is making so much noise in the garden?
---______ the children.
