试题：
|
单项选择. —I knocked over my coffee cup. It went right over keyboard. —You shouldn't put drinks near computer. |
|
A. the; / B. the; a C. a; / D. a; a |
定冠词（the）, 不定冠词（a，an）
2016-05-28
答案：
我来补答展开全文阅读