问题
选择题
He spent too much time talking on _______ phone while we were all busy at _______ work.
A．the; /
B．a; /
C．/; /
D．the; the
答案
答案：A
题目分析：句意为：当我们都忙着工作的时候，他打电话花费了太多的时间。此题属于对两个固定短语中冠词的考查，on the phone意为在打电话,at work意为工作。所以答案为A。