问题
单项选择题
—When will you be through with your work.Jones
—______My boss usuallY finds something for me to do at the last minute.
A.Who knows
B.Would you help me
C.I beg your pardon
D.Anything the matter
答案
参考答案:A
解析: 考查交际用语。“Who knows”表示“谁知道(无法确定)”,与后句的含义相吻合。